Mass Spectrum Molecular Weight Half

Mass Spectrum Molecular Weight Half, Total:313 items.

The international standard classification for "Mass Spectrum Molecular Weight Half" includes: Measuring instruments , Chemical analysis , Non-metalliferous minerals , Chemical analysis of metals , Powder metallurgy , Cadmium, cobalt and their alloys , Testing of metals , Lead, zinc, tin and their alloys , Products of non-ferrous metals in general , Analytical chemistry , Testing of metals in general , Laboratory medicine , General methods of tests and analysis for food products .

The Chinese standard classification for "Mass Spectrum Molecular Weight Half" includes: Mass spectrometer, liquid spectrometer, energy spectrometer and combined devices of them , Basic standards and general methods , , Powder metallurgy analysis method , Rare refractory metals and their compounds , Precious metals and its alloy analysis method , Semimetal and semiconductor material analysis method , Heavy metals and their alloys analysis method , Precious metal ore , Drugs for antipyretic, anodyne, anesthesia and central nervous system , Light metals and their alloys analysis method , Medical laboratory equipment , Basic standards and general methods .

Group Standards of the People's Republic of China

T/CITS RM0007-2024 Series CRMs of Oligonucleotide Molecular Mass for Time-of-Flight Mass Spectrometer
T/CNIA 0120-2021 Determination of trace impurity elements in high-purity nitric acid for the electronics industry by inductively coupled plasma mass spectrometry
T/CNIA 0118-2021 Determination of trace impurity elements in high-purity hydrofluoric acid for the electronics industry by inductively coupled plasma mass spectrometry
T/ZJATA 0023-2024 Determination of perchlorate in water Ion chromatography-mass spectrometry/mass spectrometry
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/CIMA 0019-2019 Proton transfer reaction mass spectrometers
T/BPMA 32-2004 Determination of chlorate and perchlorate in leek by ion chromatography-mass spectrometry/mass spectrometry
T/CSTM 00956-2024 Globular protein-Determination of apparent molecular weight-Solution nuclear magnetic resonance spectrometry
T/CIS 17004-2020 Ambient ionization device
T/CASAS 009-2019 Determination of Trace Impurities Concentration and Distribution in Semi-insulating SiC Materials by Secondary Ion Mass Spectrometry

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 20899.14-2017 Methods for chemical analysis of gold ores - Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry
GB/T 40129-2021 Surface chemical analysis—Secondary ion mass spectrometry—Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
GB/T 15249.5-1994 Crude Gold-Determination of mercury content-Cold atomic absorption spectrometric method
GB/T 42274-2022 Determination of the content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials—Secondary ion mass spectrometry
GB/T 7739.14-2019 Methods for chemical analysis of gold concentrates—Part 14:Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry
GB/T 43663-2024 Surface chemical analysis—Secondary-ion mass spectrometry—Repeatability and constancy of the relative-intensity scale in static secondary-ion mass spectrometry
GB/T 8152.13-2017 Methods for chemical analysis of lead concentrates - Part 13: Determination of thallium content - Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 42248-2022 Soil and stream sediment—Determination of iodine and bromine content—Decomposition by sintering inductively coupled plasma mass spectrometry
GB/T 20255.6-2008 Methods for chemical analysis of hardmetals - Flame atomic absorption spectrometry - General requirements
GB/T 40374-2021 Hardmetals—Determination of lead and cadmium content—Flame atomic absorption spectrometric method and inductively coupled plasma atomic emission spectrometry

Hebei Provincial Standard of the People's Republic of China

DB13/T 2886-2018 Pinellia palmata

Professional Standard - Electron

SJ 20744-1999 General rule of infrared absorption spectral analysis for the impurity concentration in semiconductor materials
SJ/T 9533-1993 Grading standard of quality for semiconductor discrete devices
SJ/T 9534-1993 Grading standard of quality for semiconductor integrated circuits
SJ/T 11493-2015 Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry

Military Standard of the People's Republic of China-General Armament Department

GJB/Z 41.3-1993 Military semiconductor discrete device series spectrum semiconductor optoelectronic devices

Professional Standard - Building Materials

JC/T 2133-2012 Determination of impurities in silica sol for polishing solution in semiconductor industry—Inductively coupled plasma atomic emission spectrometric method

Professional Standard - Non-ferrous Metal

YS/T 898-2024 Method for chemical analysis of high purity tantalum一Determination of trace impurity elements content一Inductively coupled plasma mass spectrometry
YS/T 244.9-2008 Chemical analysis methods of high purity aluminum Part 9: Determination of trace impurities in high pruity aluminumby inductively coupled mass spectrometry
YS/T 1497-2021 Analysis method for platinum compounds Determination of impurity anion content Ion chromatography
YS/T 870-2020 Method for chemical analysis of aluminium - Determination of trace impurities contents - Inductively coupled plasma mass spectrometry
YS/T 892-2024 Method for chemical analysis of high purity titanium一Determination of trace impurity elements content一Inductively coupled plasma mass spectrometry
YS/T 1496-2021 Analysis method for palladium compounds Determination of impurity anion content Ion chromatography
YS/T 900-2024 Methods for chemical analysis of high purity tungsten一Determination of trace impurity element content一Inductively coupled plasma mass spectrometry
YS/T 896-2024 Methods for chemical analysis of high purity niobium一Determination of trace impurity elements content一Inductively coupled plasma mass spectrometry

Professional Standard - Energy

NB/SH/T 0970-2018 Determination of arsenic in light distillates by atomic fluorescence spectrometry

Professional Standard - Medicine

YY/T 1795-2021 Sperm quality analyzer
YY/T 1740.3-2024 Clinical mass spectrometer-Part 3 : Inductively coupled plasma mass spectrometry

未注明发布机构

EPA 8270E-2018 Semivolatile Organic Compounds by Gas Chromatography/Mass Spectrometry

Anhui Provincial Standard of the People's Republic of China

DB34/T 2432-2015 Determination of Photoinitiator Migration in Polymer Base Films, Bags by Liquid Chromatography-Tandem Mass Spectrometry

Professional Standard - Commodity Inspection

SN/T 2061-2008 Determination of nitrofuran metabolites residues in royal jelly for import and export—HPLC-MS/MS
SN/T 4003-2013 Food contact materials - Polymers - Determination of 2,4,6-triamino-1,3,5-triazine(melamine)in food simulants - Liquid chromatography-tandem mass spectrometry method
SN/T 3481.1-2013 Food contact materials - Polymer materials - Determination for hexabromocyclododecane - Part 1: Liquid chromatography(LC) - mass spectrometry(MS)/MS method

Chongqing Provincial Standard of the People's Republic of China

DB50/T 1328-2022 Gardenia seed quality grading

Professional Standard - Agriculture

NY/T 1860.35-2016 Guidelines on the determination of physico-chemical properties of pesticides. Part 35:Determination of the molecular weight and the molecular weight distribution of polymers using gel permeation chromatography
NY/T 3556-2020 Determination of selenocysteine and selenomethionine in cereals—Liquid chromatography-inductively coupled plasma mass spectrometry

Professional Standard - Geology

DZ/T 0064.81-2021 Methods for analysis of groundwater quality- Part 81: Determination of mercury content- Atomic fluorescence spectrometry

Professional Standard - Aerospace

QJ 1969-1990 General requirements for quality control of electronic products

Fujian Provincial Standard of the People's Republic of China

DB35/T 1625-2016 Determination of impurity content in carbon monoxide by gas chromatography

Professional Standard - Environmental Protection

HJ 951-2018 Solid waste - Determination of semivolatile organic compounds - Gas chromatography mass spectrometry

International Organization for Standardization (ISO)

ISO/TS 22933:2022 Surface chemical analysis — Secondary ion mass spectrometry — Method for the measurement of mass resolution in SIMS
ISO 16014-1:2003 Plastics — Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography — Part 1: General principles
ISO 16564:2004 Rubber, raw natural - Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography (SEC)
ISO 13084:2011 Surface chemical analysis - Secondary-ion mass spectrometry - Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
ISO 16014-4:2012 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 4: High-temperature method
ISO 16014-4:2003 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 4: High-temperature method
ISO 16564:2004/Amd 1:2006 Rubber, raw natural — Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography (SEC) — Amendment 1
ISO 16014-2:2012 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 2: Universal calibration method
ISO 16014-2:2003 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 2: Universal calibration method
ISO 16014-3:2003 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 3: Low-temperature method
ISO 13084:2018 Surface chemical analysis — Secondary ion mass spectrometry — Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
ISO 10927:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
ISO 16014-3:2012 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 3: Low-temperature method
ISO 10927:2018 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
ISO/FDIS 17294-1:2023 Water quality — Application of inductively coupled plasma mass spectrometry (ICP-MS) — Part 1: General guidelines
ISO 17294-1:2004 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines
ISO 16014-1:2019 Plastics — Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography — Part 1: General principles
ISO 17862:2022 Surface chemical analysis — Secondary ion mass spectrometry — Linearity of intensity scale in single ion counting time-of-flight mass analysers
ISO 178:1975 Surface chemical analysis — Secondary ion mass spectrometry — Linearity of intensity scale in single ion counting time-of-flight mass analysers
ISO 7627-1:1983 Methods for chemical analysis of hardmetals Flame atomic absorption spectrometry General requirements
ISO/TS 16965:2013 Soil quality.Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
ISO 178:2019 Surface chemical analysis — Secondary ion mass spectrometry — Linearity of intensity scale in single ion counting time-of-flight mass analysers
ISO 17862:2013 Surface chemical analysis — Secondary ion mass spectrometry — Linearity of intensity scale in single ion counting time-of-flight mass analysers

TH-TISI

TIS 2250.1-2005 Plastics.determination of average molecular mass and molecular mass distribution of polymers using size.exclusion chromatography.part 1: general principles
TIS 2250.4-2005 Plastics.determination of average molecular mass and molecular mass distribution of polymers using size.exclusion chromatography.part 4: high.temperature method
TIS 2250.3-2005 Plastics.determination of average molecular mass and molecular mass distribution of polymers using size.exclusion chromatography.part 3: low.temperature method
TIS 2250.2-2005 Plastics.determination of average molecular mass and molecular mass distribution of polymers using size.exclusion chromatography.part 2: universal calibration method

Association Francaise de Normalisation

NF C86-010:1986 Semiconductor devices. Harmonized system of quality assessment for electronic components. Discrete semiconductor devices. Generic specification.
NF X43-275:2002 Air quality - Air in workplaces - Determination of elements present in the air in workplaces by atomic spectrometry
NF EN 26777:1993 Water quality - Nitrite dosage - Molecular absorption spectrometry method
NF C86-411:1987 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FILM AND HYBRID INTEGRATED CIRCUITS. SECTIONAL SPECIFICATION. (SPECIFICATION CECC 63 100).
NF EN ISO 17852:2008 Water quality - Mercury dosage - Atomic fluorescence spectrometry method
NF EN 1233:1996 Water quality - Chromium dosage - Atomic absorption spectrometry methods
NF EN ISO 12020:2000 Water quality - Aluminum determination - Atomic absorption spectrometry methods
NF EN ISO 7980:2000 Water quality - Calcium and magnesium dosage - Atomic absorption spectrometry method
NF T51-241:2018 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
NF C83-282:1987 Harmonized system of quality assessment for electronic components. Surge suppression varistors. Sectional specification. Blank detail specification.
NF C86-433:1988 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FILM RESISTORS NETWORKS (APPROVAL PROCEDURES). SECTIONAL SPECIFICATION. SPECIFICATION CECC 64 200.
NF EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: general guidelines
NF EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements
NF T90-163*NF EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements
NF C86-413:1987 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FILM HYBRID INTEGRATED CIRCUITS. CAPABILITY APPROVAL. SECTIONAL SPECIFICATION. (SPECIFICATION CECC 63 200).
NF T90-113-1:2007 Water quality - Determination of mercury - Method using atomic absorption spectrometry.
NF T30-711:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS).
NF T90-007:2001 Water quality - Determination of soluble silicates - Molecular absorption spectrometric method.
NF T51-241:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS).
NF EN ISO 10927:2018 Plastics - Determination of molecular mass and molecular mass distribution of polymers by time-of-flight mass spectrometry after matrix-assisted laser desorption/ionization (MS-MALDI-TOF)
NF A95-492-1*NF EN 27627-1:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 1 : general requirements.
NF EN 13615:2002 Methods for the analysis of tin ingots - Determination of impurity contents in 99.90% and 99.85% quality tin by atomic spectrometry
NF C86-412:1987 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FILM AND HYBRID INTEGRATED CIRCUITS. BLANK DETAIL SPECIFICATION. (SPECIFICATION CECC 63 101).
NF C86-430:1988 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FIXED FILM RESISTORS NETWORKS. GENERIC SPECIFICATION. SPECIFICATION CECC 64 000.
NF C86-431:1988 SEMICONDUCTOR DEVICES. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. FIXED FILM RESISTORS NETWORKS. SECTIONAL SPECIFICATION. SPECIFICATION CECC 64 100.
NF EN ISO 22892:2011 Soil quality - Guidelines for the identification of target compounds by gas chromatography and mass spectrometry

British Standards Institution (BSI)

BS ISO 16564:2004 Rubber, raw natural - Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography (SEC)
BS ISO 13084:2018 Surface chemical analysis. Secondary ion mass spectrometry. Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
BS ISO 13084:2011 Surface chemical analysis. Secondary-ion mass spectrometry. Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
BS CECC 50000:1987 Harmonized system of quality assessment for electronic components - Generic specification: discrete semiconductor devices
BS ISO 16564:2004(2006) Rubber, raw natural — Determination of averagemolecularmass and molecular - mass distribution by size exclusion chromatography (SEC)
BS ISO 16014-2:2012 Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography. Universal calibration method
25/30500395 DC BS ISO 13084 Surface chemical analysis — Secondary ion mass spectrometry — Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
10/30199193 DC BS ISO 13084. Surface chemical analysis. Secondary ion mass spectrometry. Calibration of the mass scale for a time of flight secondary ion mass spectrometer
BS ISO 16014-4:2012 Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography. High-temperature method
BS ISO 16014-3:2012 Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography. Low-temperature method
BS EN ISO 10927:2018 Plastics. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
BS EN ISO 10927:2011 Plastics. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
BS QC 750100:1986 Harmonized system of quality assessment for electronic components. Discrete semiconductor devices. Sectional specification
BS EN ISO 17294-1:2006 Water quality. Application of inductively coupled plasma mass spectrometry (ICP-MS)-General guidelines
BS EN ISO 17294-1:2024 Water quality. Application of inductively coupled plasma mass spectrometry (ICP-MS) - General requirements
BS EN ISO 17294-1:2006(2008) Water quality — Application of inductively coupled plasma mass spectrometry (ICP - MS) — Part 1 : General guidelines
BS EN ISO 12020:2000 Water quality - Determination of aluminium - Atomic absorption spectrometric methods
BS CECC 50000 Supplement No. 1:1983 Harmonized system of quality assessment for electronic components - Generic specification: discrete semiconductor devices - CECC assessed process average
BS QC 720100:1991 Harmonized system of quality assessment for electronic components. Semiconductor devices. Sectional specification for optoelectronic devices
BS EN 117000:1992 Harmonized system of quality assessment for electronic components - Generic specification - Solid state all-or-nothing relays - Generic data and methods of test
BS EN ISO 17294-1:2004 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - General guidelines
BS ISO 20411:2018 Surface chemical analysis. Secondary ion mass spectrometry. Correction method for saturated intensity in single ion counting dynamic secondary ion mass spectrometry
BS ISO 16014-1:2012 Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography. General principles
BS ISO 16014-1:2019 Plastics. Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography. General principles
BS ISO 16014-1:2003 Plastics. Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography-General principles
BS ISO 17862:2013 Surface chemical analysis. Secondary ion mass spectrometry. Linearity of intensity scale in single ion counting time-of-flight mass analysers
BS QC 750100:1986+A2:1996 Harmonized system of quality assessment for electronic components. Discrete semiconductor devices. Sectional specification
BS PD ISO/TS 16965:2013 Soil quality. Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
PD ISO/TS 16965:2013 Soil quality. Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
BS EN 1233:1997(2008)*BS 6068-2.38:1997 Water quality-Determination of mercury-Atomic absorption spectrometry method
BS CECC 50000:1981 Harmonized system of quality assessment for electronic components. Generic specification: discrete semiconductor devices
BS ISO 17862:2022 Surface chemical analysis. Secondary ion mass spectrometry. Linearity of intensity scale in single ion counting time-of-flight mass analysers
21/30445086 DC BS ISO 17294-1. Water quality. Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1. General guidelines
09/30191988 DC BS EN ISO 10927. Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDITOF-MS)
BS EN ISO 15586:2003(2008)*BS 6068-2.84:2003 Water quality — Determination of trace elements using atomic absorption spectrometry with graphite furnace
20/30409963 DC BS ISO 17862. Surface chemical analysis. Secondary ion mass spectrometry. Linearity of intensity scale in single ion counting time-of-flight mass analysers
BS EN ISO 15586:2003 Water quality. Determination of trace elements using atomic absorption spectrometry with graphite furnace

Korean Agency for Technology and Standards (KATS)

KS M ISO 16564:2007 Rubber, raw natural－Determination of average molecular mass and molecular－mass distribution by size exclusion chromatography(SEC)
KS M ISO 16564-2007(2017) Rubber, raw natural－Determination of average molecular mass and molecular－mass distribution by size exclusion chromatography(SEC)
KS M ISO 16564-2007(2022) Rubber, raw natural－Determination of average molecular mass and molecular－mass distribution by size exclusion chromatography(SEC)
KS M 0025-2008(2018) General rules for mass spectrometric analysis
KS M 0025-2023 General rules for mass spectrometric analysis
KS M 0025-1993 General rules for mass spectrometric analysis
KS M 0027-2008(2018) General rules for analytical methods in gas chromatography mass spectrometry
KS I ISO 17294-1:2010 Water quality-Application of inductively coupled plasma mass spectrometry(ICP-MS)-Part 1:General guidelines
KS D ISO 7627-1-2022 Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 1：General requirements
KS D ISO 7627-6-2022 Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 6：Determination of chromium in contents from 0.01 to 2 % (mass fraction)
KS D ISO 7627-6-2012(2017) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 6：Determination of chromium in contents from 0.01 to 2 % (mass fraction)
KS D ISO 7627-6-2012(2022) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 6：Determination of chromium in contents from 0.01 to 2 % (mass fraction)
KS M 0012-2009(2019) General rules for molecular absorptiometric analysis
KS D ISO 7627-1-2012(2017) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 1：General requirements
KS D ISO 7627-1-2012(2022) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 1：General requirements
KS M 0016-2010(2020) General rules for atomic absorption spectrochemical analysis
KS D ISO 7627-4-2022 Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 4：Determination of molybdenum, titanium and vanadium in contents from 0.01 to 0.5 % (mass fraction)
KS M ISO 11344-2017(2022) Rubber, raw synthetic－Determination of the molecular－mass distribution of solution polymers by gel permeation chromatography
KS D ISO 7627-2-2022 Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 2：Determination of calcium, potassium, magnesium and sodium in contents from 0.001 % to 0.02 % (mass fraction)
KS D ISO 7627-4-2012(2017) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 4：Determination of molybdenum, titanium and vanadium in contents from 0.01 to 0.5 % (mass fraction)
KS I ISO 14154-2016 Soil quality－Determination of some selected chlorophenols－ Gas-chromatographic method with electron-capture detection
KS D ISO 7627-3-2022 Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 3：Determination of cobalt, iron, manganese and nickel in contents from 0.01 to 0.5 % (mass fraction)
KS D ISO 7627-3-2012(2017) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 3：Determination of cobalt, iron, manganese and nickel in contents from 0.01 to 0.5 % (mass fraction)
KS D ISO 7627-4-2012(2022) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 4：Determination of molybdenum, titanium and vanadium in contents from 0.01 to 0.5 % (mass fraction)
KS D ISO 7627-2-2012(2017) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 2：Determination of calcium, potassium, magnesium and sodium in contents from 0.001 % to 0.02 % (mass fraction)
KS I ISO 20295-2023 Soil quality — Determination of perchlorate in soil using ion chromatography
KS M ISO 11344-2017 Rubber, raw synthetic－Determination of the molecular－mass distribution of solution polymers by gel permeation chromatography
KS M 0027-2008 General rules for analytical methods in gas chromatography mass spectrometry
KS D ISO 7627-3-2012(2022) Hardmetals－Chemical analysis by flame atomic absorption spectrometry－Part 3：Determination of cobalt, iron, manganese and nickel in contents from 0.01 to 0.5 % (mass fraction)
KS I ISO 15586-2010(2015) Water quality－Determination of trace elements using atomic absorption spectrometry with graphite furnace

European Committee for Standardization (CEN)

EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024)
EN ISO 10927:2018 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
EN ISO 10927:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2011)
EN ISO 17294-1:2006 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines
EN 1233:1996 Water Quality - Determination of Chromium - Atomic Absorption Spectrometric Methods
FprEN ISO 17294-1 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO/FDIS 17294-1:2023)
EN ISO 11771:2010 Air quality - Determination of time-averaged mass emissions and emission factors - General approach (ISO 11771:2010)
EN ISO 16014-5:2019 Plastics - Determination of average molecular weight and molecular weight distribution of polymers using size-exclusion chromatography - Part 5: Light-scattering method (ISO 16014-5:2019)

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 13084:2016 Surface chemical analysis -- Secondary-ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
BH GSO ISO 17294-1:2016 Water quality -- Application of inductively coupled plasma mass spectrometry (ICP-MS) -- Part 1: General guidelines
BH GSO ISO 16014-1:2016 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 1: General principles

GCC Standardization Organization

GSO ISO 13084:2013 Surface chemical analysis -- Secondary-ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
GSO ISO 10927:2013 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
GSO ISO 17294-1:2015 Water quality -- Application of inductively coupled plasma mass spectrometry (ICP-MS) -- Part 1: General guidelines
GSO ISO 16014-1:2014 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 1: General principles
GSO ISO 7627-1:2016 Hardmetals -- Chemical analysis by flame atomic absorption spectrometry -- Part 1: General requirements
GSO ISO 9845-1:2024 Solar energy — Reference solar spectral irradiance at the ground at different receiving conditions — Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5
GSO ISO/TS 16965:2015 Soil quality -- Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
GSO ISO 2613-1:2024 Analysis of natural gas — Silicon content of biomethane — Part 1: Determination of total silicon by atomic emission spectroscopy (AES)
GSO ISO/TS 16727:2015 Soil quality -- Determination of mercury -- Cold vapour atomic fluorescence spectrometry (CVAFS)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 13084:2013 Surface chemical analysis -- Secondary-ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary-ion mass spectrometer
OS GSO ISO 10927:2013 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
OS GSO ISO 17294-1:2015 Water quality -- Application of inductively coupled plasma mass spectrometry (ICP-MS) -- Part 1: General guidelines
OS GSO ISO 7627-1:2016 Hardmetals -- Chemical analysis by flame atomic absorption spectrometry -- Part 1: General requirements
OS GSO ISO/TS 16965:2015 Soil quality -- Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)

RO-ASRO

STAS 9514-1987 SEMI-AUTOMATIC WEIGHING MACHINES General technical requirements for quality
STAS 10837/2-1977 SELENIUM Semiquantitative spectral determination of iron, silicon, silver, copper, magnesium, lead, tin, stibium and arsenic impurities
STAS SR 9042-1995 Mirrors. General technical requirements for qualite
STAS SR 13294-1995 Optical glass Pressed half producte. Quality generai technical requirements
STAS 1541-1980 Ceramic sanitary appliances SEMI-PORCELAINE APPLIANCES= General technical requirements for quality
STAS 1904/1-1989 Looms WOODEN SHUTTLES General technical requirements lor ?juality
STAS 4673-1988 Finished lcathcrs for uppcr footwear PORNCINE I.EATIIERS General teclniical rcquiri'inents lor quality
STAS SR 13315-1996 Water quality - Iron determination - Spectrometric method of atomic absorption
STAS SR EN 27627-1-1996 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 1: General requirements
STAS 11280/2-1984 SEMIAUTOMATIC WIRE FEED SYSTEMS FOR MIG/MAG WELDING General technical requirements for quality

Japanese Industrial Standards Committee (JISC)

JIS K 0157:2021 Surface chemical analysis -- Secondary ion mass spectrometry -- Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer
JIS K 0133:2007 General rules for high frequency plasma mass spectrometry
JIS K 7252-3:2016 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 3: Low-temperature method
JIS K 7252-3:2008 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 3: Low-temperature method
JIS K 7252-4:2008 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 4: High-temperature method
JIS K 7252-4:2016 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 4: High-temperature method
JIS K 0118:1979 General rules for mass spectrometric analysis
JIS K 7252-2:2016 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 2: Universal calibration method
JIS K 7252-2:2008 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 2: Universal calibration method
JIS K 0133:2022 General rules for ICP-mass spectrometry
JIS K 0400-55-20:1998 Water quality -- Determination of cadmium by atomic absorption spectrometry
JIS K 0136:2004 General rules for high performance liquid chromatography / mass spectrometry
JIS K 0136:2015 General rules for high performance liquid chromatography / mass spectrometry
JIS K 7252-1:2008 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 1: General principles
JIS K 7252-1:2016 Plastics -- Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography -- Part 1: General principles
JIS K 0155:2018 Surface chemical analysis -- Secondary ion mass spectrometry -- Linearity of intensity scale in single ion counting time-flight mass analysers
JIS K 0158:2021 Surface chemical analysis -- Secondary ion mass spectrometry -- Correction method for saturated intensity in single ion counting dynamic secondary ion mass spectrometry

Gosstandart of Russia

GOST R 57061-2016 Copper. Measurement of impurities mass fraction in copper by an inductively coupled plasma mass spectrometry method
GOST R 57060-2016 Copper. Measurement of impurities mass fraction in copper by an inductively coupled plasma atomic emission spectrometry method
GOST ISO 20295-2023 Soil quality. Determination of perchlorate in soil using ion chromatography
GOST 19834.3-1976 Semiconductor emitters. Methods for measuring of relative spectral energy distribution and spectral bandwidth

Ente Nazionale Italiano di Unificazione

UNI EN ISO 9167-1:2013 Rapeseed - Determination of glucosinolates content - Part 1: Method using high-performance liquid chromatography
UNI 22620:2001 Seed and vegetable oils and derived products - Vegetable proteins - Determination of tryptophan content by ion exchange chromatography
UNI EN ISO 665:2001 Oilseeds - Determination of moisture and volatile matter content
UNI EN ISO 665:1998 Oilseeds - Determination of moisture and volatile matter content
UNI EN 27627-1:1993 Hardmetals. Chemical analysis by flame atomic absorpion spectrometry. General requirements.
UNI EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements
EC 1-2024 UNI EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements
UNI EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines
UNI EN ISO 10927:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ ionization time-of-flight mass spectrometry (MALDITOF-MS)
UNI EN ISO 10927:2018 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
UNI EN 27627-2:1993 Hardmetals. Chemical analysis by flame atomic absorpion spectrometry. Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02% (m/m).
UNI EN ISO 10565:1999 Oilseeds - Simultaneous determination of oil and water contents - Method using pulsed nuclear magnetic resonance spectrometry
UNI EN 12938:2002 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
UNI EN 27627-4:1993 Hardmetals. Chemical analysis by flame atomic absorpion spectrometry. Determination of molybdenum, titanium and vanadium in contents from 0,01 to 0,5% (m/m).
UNI ISO 6101-1:2005 Rubber - Determination of metal content by atomic absorption spectrometry - Part 1: Determination of zinc content
UNI EN ISO 15586:2004 Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace
EC 1-2008 UNI EN ISO 15586:2004 Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace

Society of Automotive Engineers (SAE)

SAE AS3268B-2022 SLEEVE HALF – REINFORCING, TUBE
SAE AS3268A-1999 SLEEVE HALF – REINFORCING@ TUBE
SAE AS3268A-2012 SLEEVE HALF – REINFORCING, TUBE
SAE AS3269-1995 SLEEVE HALF - REINFORCING, TUBE, SHOULDER

CU-NC

NC 66-13-1984 Electronics. Thermal Dissipators for Semiconductors Quality Specifications
NC 40-111-1986 Textiles Trousers General Quality Specifications
NC 79-24-1987 Meat Industry. Cattle Carcasses Half Carcasses and Quarter Carcasses. Quality Specifications

Magyar Szabványügyi Testület

MSZ 3220/1.lap-1966 General quality standards for linen, linen, semi-linen, semi-linen and special cotton fabrics
MSZ 3714/1-1982 Quality of semi-finished aluminum products
MSZ 3747/1-1982 Quality of semi-finished aluminum products

German Institute for Standardization

DIN EN ISO 10927:2018-10 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2018); German version EN ISO 10927:2018
DIN 55674:2006 Synthetic Polymers - Determination of molecular mass and molecular mass distribution of polymers by matrix assisted laser desorption/ionization-time-of-flight-mass spectrometry
DIN EN ISO 17294-1:2007-02 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004); German version EN ISO 17294-1:2006 / Note: To be replaced by DIN EN ISO 17294-1 (2022-07).
DIN EN ISO 10927:2018 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2018)
DIN EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004); English version of DIN EN ISO 17294-1:2007-02
DIN EN ISO 12020:2000 Water quality - Determination of aluminium - Atomic absorption spectrometric methods (ISO 12020:1997); German version EN ISO 12020:2000
DIN EN ISO 16014-5 E:2018-04 Plastics Determination of average molecular mass and molecular mass distribution of polymers using exclusion chromatography Part 5: Light scattering detection method (draft)
DIN EN ISO 16014-5 E:2009-07 Plastics Determination of average molecular mass and molecular mass distribution of polymers using exclusion chromatography Part 5: Light scattering detection method (draft)
DIN EN ISO 10927 E:2017-03 Determination of Molecular Mass and Molecular Mass Distribution of Polymer Species by Auxiliary Matrix Laser Adsorption/Ionization Time-of-Flight Mass Spectrometry for Plastics (MALDI-TOF-MS) (Draft)
DIN EN 1233:1996 Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
DIN EN ISO 10927 E:2017 Draft Document - Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO/DIS 10927:2017); German and English v...
DIN EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024); German version EN ISO 17294-1:2024
DIN EN 12938:2000 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry (includes AC:2000); German version EN 12938:1999 + AC:2000

Spanish Association for Standardization (UNE)

UNE-EN ISO 10927:2019 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2018)
AENOR UNE-EN ISO 10927:2012 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2011)
UNE-EN ISO 10927:2012 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2011)
AENOR UNE-EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004)
UNE-EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004)
UNE-EN 12938:1999 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry

Danish Standards Foundation

DS/EN ISO 10927:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS)
DANSK DS/EN ISO 17294-1:2007 Water quality – Application of inductively coupled plasma mass spectrometry (ICP-MS) – Part 1: General guideline
DANSK DS/EN ISO 10927:2018 Plastics – Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2018)
DANSK DS/ISO 17294-1:2024 Water quality – Application of inductively coupled plasma mass spectrometry (ICP-MS) – Part 1: General requirements
DS/EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guideline
DS/EN 27627-1:1993 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 1: General requirements
DANSK DS/EN 27627-1:1993 Hardmetals - Chemical analysis by flame atomic absorption spectrometry - Part 1: General requirements
DANSK DS/ISO/TS 16965:2013 Soil quality - Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
DS/ISO/TS 16965:2013 Soil quality - Determination of trace elements using inductively coupled plasma mass spectrometry (ICP-MS)
DANSK DS/EN 12938:2000 Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry
DANSK DS/EN ISO 15586:2004 Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace
DS/EN ISO 15586:2004 Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace

American Society for Testing and Materials (ASTM)

ASTM E924-84(1994)e1 Guidelines for quality assurance in laboratories using molecular spectroscopy
ASTM E1504-11 Standard Practice for Reporting Mass Spectral Data in Secondary Ion Mass Spectrometry (SIMS)
ASTM F1593-97 Standard Test Method for Trace Metallic Impurities in Electronic Grade Aluminum by High Mass-Resolution Glow-Discharge Mass Spectrometer
ASTM F1593-08(2016) Standard Test Method for Trace Metallic Impurities in Electronic Grade Aluminum by High Mass-Resolution Glow-Discharge Mass Spectrometer
ASTM F1710-08 Standard Test Method for Trace Metallic Impurities in Electronic Grade Titanium by High Mass-Resolution Glow Discharge Mass Spectrometer
ASTM F1593-97(2002) Standard Test Method for Trace Metallic Impurities in Electronic Grade Aluminum by High Mass-Resolution Glow-Discharge Mass Spectrometer
ASTM F1710-08(2016) Standard Test Method for Trace Metallic Impurities in Electronic Grade Titanium by High Mass-Resolution Glow Discharge Mass Spectrometer
ASTM F1593-08 Standard Test Method for Trace Metallic Impurities in Electronic Grade Aluminum by High Mass-Resolution Glow-Discharge Mass Spectrometer

Standard Association of Australia （SAA）

AS ISO 14237:2006 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of boron atomic concentration in silicon using uniformly doped materials
AS ISO 22048:2006 Surface chemical analysis - Information format for static secondary-ion mass spectrometry
AS ISO 22048:2006(R2016) Surface chemical analysis - Information format for static secondary-ion mass spectrometry

South African Bureau of Standard

SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method

YU-JUS

JUS C.A1.541-1990 Eardmetals. Chemical analysis by flame atomic absorption spectrometry. Part 1: General requirewients
JUS C.A1.546-1990 Hardmetals. Chemical analysis by flame atomic absorption spectrometry. Determi- natlon of chromium In ctmtents from 0,01 to 2 % (m/m)

CZ-CSN

CSN 72 6120-1981 Semi-hard fireclay. Quality

Lithuanian Standards Office

LST EN ISO 10927:2011 Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2011)
LST EN ISO 17294-1:2007 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004)

Standards Norway

NS-EN ISO 10927:2011 Plastics — Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2011)
NS-EN ISO 17294-1:2006 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004)
NS-EN ISO 17294-1:2024 Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024)
NS-EN ISO 10927:2018 Plastics — Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) (ISO 10927:2018)
NS-EN 12938:1999 Methods for the analysis of pewter — Determination of alloying and impurity element contents by atomic spectrometry

Bureau of Indian Standards

IS 17950-1-2022 Plastics-Determination of Average Molecular Weight and Molecular Weight Distribution of Polymers Using Size - Exclusion Chromatography - Part 1 General Principles
IS 12473-1-1988 Chemical Analysis of Hardmetals by Flame Atomic Absorption Spectrometry - Part 1 : General Requirements

Swedish Institute for Standards

SS-ISO 16014-1:2003 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 1: General principles
SS-ISO 16014-1:2012 Plastics - Determination of average molecular mass and molecular mass distribution of polymers using size-exclusion chromatography - Part 1: General principles (ISO 16014-1:2012, IDT)

BE-NBN

NBN C 86-010-1977 Electronic components: European electrotechnical standardization quality assurance system. Semiconductor discrete devices. General specifications
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

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