spectrophotometric sodium ion

spectrophotometric sodium ion, Total:231 items.

The international standard classification for "spectrophotometric sodium ion" includes: Bases , Textiles in general , Coals , Inorganic chemicals , Oxides , General methods of tests and analysis for food products , Water quality , Other non-ferrous metals and their alloys , Cadmium, cobalt and their alloys , Chemical analysis , Boilers and heat exchangers , Salts , Refractories , Fertilizers , Metalliferous minerals , Ferroalloys , Particle size analysis. sieving , Examination of water for chemical substances , Ambient atmospheres , Non-metalliferous minerals , Ferrous metals , Chemical analysis of metals , Water of natural resources .

The Chinese standard classification for "spectrophotometric sodium ion" includes: Inorganic acid and alkali , Basic standards and general methods , Coal analysis methods , Salt production in general , Rare metals and their alloys analysis method , Basic standards and general methods , Analysis methods for toxic substances in water , Rare refractory metals and their compounds , Light metals and their alloys analysis method , Basic standards and general methods for water treatment agent , Boiler and its auxiliary equipment , Inorganic salt , Fireproof material in general , Steel and iron alloy analysis method , Basic standards and general methods on chemical fertilizers , Iron ore , Sieving, Sieve Plate and Sieve Screen , Analysis methods for toxic substances in atmosphere , Chemical raw material ore , Semimetal and semiconductor material analysis method , Inorganic chemicals in general , Environmental pollutant monitoring methods , Electric power testing technique , Analysis methods for substances in ocean .

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

GB/T 14540.1-1993 Determination of molybdenum content for compoumd fertilizers. Thiocyanate spectrophotometric method
GB/T 7494-1987 quality - Determination of anionic surfactants - Methylene blue spectrophotometric method
GB/T 7315.8-1987 Methods for chemical analysis of vanadium pentoxide--The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents
GB/T 13905-1992 Water quality－Determination of TNT－Sodium sulfite spectrophotometry
GB/T 10656-1989 Analytical methods for boiler water and cooling water--Determination of zinc ion--Zincon spectrophotometry
GB/T 14679-1993 Air quality. Determination of Ammonia. Sodium salicylate-sodium hypochlorite spectrophotometric method
GB 6730.49-1986 Methods for chemical analysis of iron ores - The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB/T 6730.49-1986 Methods for chemical analysis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
GB/T 6900.9-1986 Fireclay and high-alumina refractories; Determination of potassium oxide and sodium oxide content; Atomic absorption spectrophotometric method
GB/T 10304.6-1988 Determination of Na in cathode carbonate by atomic absorption spectrophotometry
GB/T 4324.17-1984 Methods for chemical analysis of tungsten - The atomic absorption spectrophotometric method for the determination of sodium content
GB/T 2590.5-1981 Zirconium and hafnium oxides--Determination of sodium content--Flame atomic absorption spectrophotometric method
GB/T 6150.7-2008 Methods for chemical analysis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry
GB/T 11213.7-1989 Sodium hydroxide for chemical fiber use--Determination of copper mass fraction--Spectrometric method
GB/T 7731.7-2008 Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry
GB 6900.9-1986 Clay, high alumina refractories chemical analysis methods atomic absorption spectrophotometry determination of potassium oxide, sodium oxide content
GB/T 13747.25-2017 Methods for chemical analysis of zirconium and zirconium alloys- Part 25:Determination of niobium content- 2-( 5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.11-2013 Methods for chemical analysis of molybdenum—Part 11:Determination of aluminum content—Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 223.12-1991 Methods for chemical analysis of iron,steel and alloy--The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content
GB/T 13370-1992 Determination of lithium,sodium,potassium and cesium in uranium dioxide dioxide powders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry
GB/T 17593-1998 Textiles--Test method of heavy metal ions--Atomic absorption spectrophotometry
GB/T 39302-2020 Reclaimed water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method
GB/T 23749-2009 Determination of sodium copper chlorophyllin in foods－Spectrophotometric method
GB/T 4103.12-1983 Methods for chemical analysis of lead-base alloys--The atomic absorption spectrophotometric methods for the determination of silver,zinc,magnesium and sodium contents
GB/T 10656-2008 Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry
GB/T 11213.2-2007 Sodium hydroxide for chemical fiber use—Determination of sodium chloride content—Spectrometric method
GB/T 22651-2008 Sodium hydroxide for industrial use - Determination of mercury content - Spectrometric method
GB/T 15076.7-2020 Methods for chemical analysis of tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2] extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 11213.2-1989 Sodium hydroxide for chemical fiber use--Determination of sodium chloride content--Spectrometric method
GB/T 13580.12-1992 Determination of sodium and potassium in the wet precipitation.Atomic absorption spectrophotometry
GB/T 20675-2006 General test method in salt industry - Determination of copper ion(AAS)
GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 13747.3-2020 Methods for chemical analysis of zirconium and zirconium alloys－Part 3：Determination of nickel content－Dimethyglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.18-2013 Methods for chemical analysis of molybdenum—Part 18:Determination of vanadium content—N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 10267.6-1988 Method for analysis of calcium metal--The determination of iron, nickel, copper and manganese in calcium metal by atomic absorption spectrophotometry after extractive separation
GB/T 19421.11-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of calcium oxide content
GB/T 11200.1-2006 Sodium hydroxide for industrial use - Determination of sodium chlorate content - O-Tolidine spectrometric method
GB/T 18962-2003 General test method in salt industry - Determination of lead lon(AAS)
GB/T 4325.17-1984 Methods for chemical analysis of molybdenum;The atomic absorption spectrophotometric method for the determination of sodium content
GB/T 15437-1995 Ambient air－Determination of ozone－Indigo disulphonate spectrophotometry
GB/T 6901.9-1986 Silica refractories--Determination of potassium oxide and sodium oxide content--Atomic absorption spectrophotometric method
GB/T 19627-2005 Particle size analysis--Photon correlation spectroscopy
GB/T 11904-1989 Water quality--Determinatoin of potassium and sodium--Flame atomic absorption spectrophotometry
GB/T 1878-1995 Phosphate rock and concentrate-Determination of iodine content-Spectrophotometric and specific ion electrode methods
GB/T 6150.3-2023 Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 19421.12-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of magnesium oxide content
GB/T 4634-1996 Determination of potassium,sodium,iron,calcium,magnesium and manganese in coal ash by atomic absorption spectrometric method
GB/T 11200.1-1989 Membrane process sodium hydroxide; Determination of sodium chlorate content-o-Tolidine spectrometric method
GB/T 11200.2-1989 Membrane process sodium hydroxide; Determination of aluminium oxide content-spectrometric method
GB 10656-1989 Analytical methods for boiler water and cooling water-Determination of zinc ion-Zincon spectrophotometry

Liaoning Provincial Standard of the People's Republic of China

DB21/T 611-1991 Determination of calcium and magnesium ions in soil soluble salts - Atomic absorption spectrophotometry
DB21/T 612-1991 Determination of potassium and sodium ions in soil soluble salts - flame photometry

Professional Standard - Nuclear Industry

EJ/T 20214-2018 Determination of silicon in sodium-cooled fast neutron breeder pile by spectrophotometry
EJ/T 20172-2018 Determination of Nitrogen in Sodium Cooled Fast Neutron Breeder Reactor by Spectrophotometry

Professional Standard - Non-ferrous Metal

YS/T 502.1-2024 Methods for chemical analysis of tungsten rhenium alloy—Part 1：Determination of rhenium content—Spectrophotometry and inductively coupled plasma atomic emission
YS/T 1057.4-2022 Methods for chemical analysis of cobalt tetroxide—Part 4: Determination of potassium and sodium contents—Flame atomic absorption spectroscopy and inductively coupled plasma atomic emission spectrometry
YS/T 1259-2018 Determination of fluorine content on the surface of zirconium alloy tube-Spectrophotometry
YS/T 568.5-2006 Determination of sodium content in zirconium oxide and hafnium oxide by flame atomic absorption spectrophotometry
YS/T 1071-2024 Chemical analysis methods of hydrogen peroxide spent catalysts-Determination of palladium content-Spectrometry and Inductively coupled plasma optical emission spectrometry
YS/T 227.8-1994 Determination of magnesium and sodium contents in tellurium--Atomic absorption spectrophotometric method

Professional Standard - Commodity Inspection

SN/T 3799-2014 Determination of potassium and sodium in coke ash - Atomic absorption spectrometry
SN/T 0837.4-2006 Determination of the amount of chlorine content in arsenic trioxide - Photometric method of distillation-mercuric thiocyanate

Shanxi Provincial Standard of the People's Republic of China

DB14/T 1606-2018 Sodium Acetate-Flame Photometric Rapid Determination of Soil Cation Exchange Capacity

Ministry of Ecology and Environment of the People's Replublic of China

GB 13580.12-1992 Determination of sodium and potassium in the wet precipitation - Atomic absorption spectrophotometry
GB 7494-1987 Water quality-Determination of anionic surfactants-Methylene blue spectrophotometric method
GB 11904-1989 Water quality-Determinatoin of potassium and sodium-Flame atomic absorption spectrophotometry

Professional Standard - Agriculture

778兽药典一部-2015 Appendix Contents 0400 Spectroscopy 0406 Atomic Absorption Spectrophotometry
1761药典一部-2010 Appendix VD Atomic Absorption Spectrophotometry
2299药典二部-2010 Appendix IV D Atomic Absorption Spectrophotometry
50药典四部-2020 0406 Atomic absorption spectrophotometry
774兽药典二部-2015 Appendix Contents 0400 Spectroscopy 0403 Atomic Absorption Spectrophotometry
199药典三部-2020 Spectrophotometry 0406 Atomic Absorption Spectrophotometry
154药典三部-2010 Appendix II Spectrophotometry IIB Atomic Absorption Spectrophotometry
180药典三部-2015 Spectrophotometry 0406 General Principles of Atomic Absorption Spectrophotometry 21
198药典三部-2020 Spectrophotometry 0405 Fluorescence Spectrophotometry
70药典四部-2015 0406 Atomic absorption spectrophotometry

Taiwan Provincial Standard of the People's Republic of China

CNS 8044-1981 Method for Determination of Copper in Ores (Cupric Ammonia Absorptiometric Method)
CNS 8445-1982 Method for Determination of Sodium Oxide in Feldspar (Atomic Absorptiometric Method)
CNS 10115-1983 Method for Determining Sodium Content in Natural and Artificial Cryolite (Flame Emission and Absorption Spectrophotometric Methods)
CNS 8601-1982 Method of Test for Sulfate Ion in Industrial Waste Water - Spectrophotometric Method

Professional Standard - Geology

DZ/T 0064.82-2021 Methods for analysis of groundwater quality- Part 82: Determination of sodium content- Flame atomic absorption spectrophotometry

Qinghai Provincial Standard of the People's Republic of China

DB63/T 1848-2020 Determination of potassium, sodium, calcium and magnesium in brine by inductively coupled plasma emission spectrometry
DB63/T 1421-2015 Determination of Potassium, Sodium, Calcium, Magnesium and Sulfur in Carnallite by Inductively Coupled Plasma Emission Spectrometry

Group Standards of the People's Republic of China

T/HNNMIA 22-2023 Sodium aluminate solution - Determination of vanadium content - Spectrophotometric method
T/TAIA 001-2024 Sodium-potassium silicate for industrial use—Determination of potassium oxide and sodium oxide—Inductively coupled plasma optical emission spectrometry

Professional Standard - Environmental Protection

HJ 598-2011 Water quality-Determination of TNT-Sodium sulfite spectrophotometric method
HJ 889-2017 Soil quality - Determination of cation exchange capacity（CEC） - Hexamminecobalt trichloride solution-Spectrophotometric method
HJ 504-2009 Ambient air - Determination of ozone - Indigo disulphonate spectrophotometry
HJ 826-2017 Water quality - Determination of anionic surfactants - Flow injection analysis (FIA) and methylene blue spectrophotometric method
HJ 534-2009 Ambient air - Determination of ammonia - Sodium hypochlorite-salicylic acid spectrophotometry

Xinjiang Provincial Standard of the People's Republic of China

DB65/T 3950-2016 Water quality-Determination of anionic surfactants in water-Flow Injection-Spectrophotometric method

Inner Mongolia Provincial Standard of the People's Republic of China

DB15/T 1463-2018 Determination of nickel content in sodium hydroxide for industrial use spectrophotometric method

Professional Standard - Ferrous Metallurgy

YB/T 4582.6-2017 Ferrosilicon nitride-Determination of manganese content-Sodium periodate spectrophotometric method
YB/T 4709-2018 Steel slag. The determination of manganese oxide content. The potassium periodate(sodium) spectrophotometric method
YB/T 5335-2006 Methods for chemical analysis of vanadium pentoxide The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents
YB/T 5176-2016 Feedstock oil for carbon black-coal tar origin
YB/T 190.11-2014 Continuous casting powder-The determination of manganese oxide content-The sodium(potassium)periodate spectrophotometric method and the flame atomic absorption method

Hebei Provincial Standard of the People's Republic of China

DB13/T 2856-2018 Determination of iron ore potassium and sodium content by inductively coupled plasma atomic emission spectrometry
DB13/T 5459-2021 Determination of anionic synthetic detergents in drinking water by direct extraction spectrophotometry

Professional Standard - Chemical Industry

HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocat

Professional Standard - Energy and Power Planning

DL 425.4-1991 Measurement for iron in industrial sodium hydroxide - Phenanthroline spectrophotometric method
DL/T 1203-2013 Analytical Methods for Chloride in Steam and Water in Fossil Fuel Power Plants Spectrophotometric Method Using Mercury Sulfocyanide
DL/T 425.4-1991 Determination of Iron in Industrial Sodium Hydroxide - O-Phenanthroline Spectrophotometric Method

Hunan Provincial Standard of the People's Republic of China

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Professional Standard - Ocean

HY/T 206-2016 Determination of iron, manganese,nickel,potassium,sodium,calcium and magnesium in the marine sediments and organisms—Atomic absorption spectrophotometry

American Society for Testing and Materials (ASTM)

ASTM D3561-16 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-11 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-16(2021)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D4191-97 Standard Test Method for Sodium in Water by Atomic Absorption Spectrophotometry
ASTM UOP549-09 Sodium in Petroleum Distillates by ICP-OES or AAS
ASTM D3561-96 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-02 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-02(2007)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D4191-08 Standard Test Method for Sodium in Water by Atomic Absorption Spectrophotometry
ASTM D4191-03 Standard Test Method for Sodium in Water by Atomic Absorption Spectrophotometry
ASTM UOP410-85 Sodium in Catalysts by Flame Emission or Atomic Absorption Spectrophotometry
ASTM E10-08 Standard Test Method for Brinell Hardness of Metallic Materials
ASTM E10-15 Standard Test Method for Brinell Hardness of Metallic Materials
ASTM D5184-01(2006) Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry
ASTM D5184-01 Standard Test Methods for Determination of Aluminum and Silicon in Fuel Oils by Ashing, Fusion, Inductively Coupled Plasma Atomic Emission Spectrometry, and Atomic Absorption Spectrometry
ASTM E1097-97 Standard Guide for Direct Current Plasma Emission Spectrometry Analysis
ASTM D5086-20 Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM STP 125-1952 Bibliography on methods for photoelectric spectroscopy analysis of inorganic ions
ASTM D4190-08 Standard Test Method for Elements in Water by Direct-Current Argon Plasma Atomic Emission Spectroscopy

IN-BIS

IS 10614-1983 Method for determination of sodium and potassium by atomic absorption spectrophotometry
IS 9958-1981 Determination of Zinc by Atomic Absorption Spectrophotometry
IS 12122-1987 Method for determination of nickel by atomic absorption spectrophotometry
IS 12491-1988 Method for determination of magnesium by atomic absorption spectrophotometry
IS 11124-1984 Method for determination of arsenic by atomic absorption spectrophotometry
IS 9497-1980 Method for determination of sodium and potassium (flame photometry)

Spanish Association for Standardization (UNE)

UNE 35054-1:1985 FERRONIOBIUM. SPECTROPHOTOMETRIC DETERMINATION OF NIOBIUM AFTER SEPARATION ON ION EXCHANGE RESIUS
UNE 35-054 Pt.1-1985 Iron niobium. Determination of niobium content. Spectrophotometry after Ion Calling Resin Separation
UNE-EN 16318:2015+A1:2016 Fertilizers and liming materials - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
AENOR UNE-EN 16318:2015 Fertilizers. Determination of trace elements. Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B).
AENOR UNE-EN 16318+A1:2016 Fertilizers and limestone amendments. Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B).

ET-QSAE

ES 401-2000 Determination of sodium content of fertilizers by atomic absorption spectrophotometry

Association Francaise de Normalisation

NF T12-029:1982 Cellulose. Determination of the manganese content. Sodium periodate photometric method and flame atomic absorption spectrometric method.
NF T20-460:1980 Sodium sulphate for industrial use. Determination of calcium content flame atomic absorption spectrometric method.
NF A11-102:1977 Chemical analysis of ferroniobium.Spectrophotometric determination of niobium after separation on ion exchange resins.
NF T01-032:1976 Molecular absorption spectrophotometry. Optical cells.
NF T20-575:1966 Chemical analysis of ammonium sulphate for technical use. Spectrophotometric determination of chloride ions.
NF EN 16318/IN1:2016 Engrais - Dosage des éléments trace - Dosage du chrome (VI) par spectrophotométrie (méthode A) et chromatographie ionique avec détection spectrophotométrique (méthode B)
NF T20-435:1980 Sodium hydroxide for industrial use. Determination of mercury content. Flameless atomic absorption spectrometric method.
NF EN 16318+A1:2016 Engrais - Dosage des éléments trace - Dosage du chrome (VI) par spectrophotométrie (méthode A) et chromatographie ionique avec détection spectrophotométrique (méthode B)
NF T01-035:1979 Molecular absorption spectrophotometry. Spectrophotometers and photometers. Record card. Standard layout.
NF A06-371:1984 Chemical analysis of steel. Molecular absorption spectrophotometric determination of zirconium (after separation by extraction).
NF U42-421/IN1*NF EN 16318/IN1:2016 Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NF T20-483:1973 SODIUM TRIPOLYPHOSPHATE AND PYROPHOSPHATE ; DETERMINATION OF IRONCONTENT ; 2,2'-BIPYRIDYL SPECTROPHOTOMETRIC METHOD.
NF U42-421*NF EN 16318+A1:2016 Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NF U42-421:2014 Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NF T20-430:1976 Sodium hydroxyde for industrial use. Determination of chlorides content. Photometric method.
NF T01-036:1980 Molecular absorption spectrophotometry. Methods of inspection of apparatus.
NF T20-418:1975 Sodium carbonate for industrial use. Determination of iron content. 1,10 - Phenanthroline photometric method.
NF V76-112:1980 Fruit and vegetable juices. Determination of the sodius and potassium contents (flame spectrophotometry method).
NF T20-208:1973 Aluminium oxide primarily used for the production of aluminium. Determination of sodium. Flame spectrophotometric method (emission).

International Organization for Standardization (ISO)

ISO 1830:1982 Pulps; Determination of manganese content; Sodium periodate photometric and flame atomic absorption spectrometric methods
ISO/DTS 4189:1972 Magnesium and magnesium alloys — Determination of sodium — Inductively coupled plasma optical emission spectrometric method
ISO/DIS 4189 Magnesium and magnesium alloys — Determination of sodium — Inductively coupled plasma optical emission spectrometric method
ISO 2366:1974 Cryolite, natural and artificial; Determination of sodium content; Flame emission and atomic absorption spectrophotometric methods
ISO 20411:2018 Surface chemical analysis - Secondary ion mass spectrometry - Correction method for saturated intensity in single ion counting dynamic secondary ion mass spectrometry
ISO/R 852:1968 Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of iron content; 2,2'- Bipyridyl spectrophotometric method

German Institute for Standardization

DIN EN 241:2000 Liquid petroleum products - Determination of sodium content - Atomic absorption spectrometric method; German version EN 241:2000
DIN EN 1134:1994-12 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrophotometry (AAS); German version EN 1134:1994
DIN EN 16318:2016-07 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B); German version EN 16318:2013+A1:2016
DIN 51797-4:1981 Testing of liquid fuels; determination of the sodium content; direct determination by atomic absorption spectroscopy
DIN 38406-14:1992 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
DIN EN 16318 E:2013-04 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
DIN EN 16318 A1 E:2015-05 Determination of hexavalent chromium in nitrogen fertilizers and alkaline mineral fertilizers (Photometric method A and ion chromatography-spectrophotometric detection method B)

Korean Agency for Technology and Standards (KATS)

KS E ISO 13313:2007 Iron ores－Determination of sodium content－Flame atomic absorption spectrometric method
KS M ISO 2366-2017(2022) Cryolite, natural and artificial-Determination of sodium contentFlame emission and atomic absorption spectrophotometric methods
KS M ISO 2366-2017 Cryolite, natural and artificial-Determination of sodium contentFlame emission and atomic absorption spectrophotometric methods
KS M ISO 2366:2017 Cryolite, natural and artificial-Determination of sodium contentFlame emission and atomic absorption spectrophotometric methods
KS M ISO 2366-2022 Cryolite, natural and artificial-Determination of sodium contentFlame emission and atomic absorption spectrophotometric methods
KS M ISO 2366:2002 Cryolite, natural and artificial-Determination of sodium content-Flame emission and atomic absorption spectrophotometric methods
KS M ISO 1830:2006 Paper, board and pulps-Determination of acid-soluble manganese
KS M ISO 1830:2013 Paper, board and pulps－Determination of acid-soluble manganese
KS D 1659-2019 Methods for atomic absorption spectrophotometric analysis of iron and steel
KS M ISO 5440-2017 Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method

Ente Nazionale Italiano di Unificazione

UNI EN 16318:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
UNI CEN/TS 16318:2012 Fertilizers - Determination of trace elements - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
UNI EN 16318:2013 Fertilizers - Determination of trace elements - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
UNI 10254:1993 Paper and pulps. Determination of manganese content. Sodium periodate photometric and flame atomic absorption spectrometric methods.
UNI 10511-2:1996 Water quality. Determination of non ionic surfactans. Potassium Picrate Spectometric method (PPAS)
UNI EN ISO 6869:2001 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry.

European Committee for Standardization (CEN)

EN 16318:2013+A1:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
PD CEN/TS 16318:2012 Fertilizers - Determination of trace elements - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
EN 16318:2013 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B) (Incorporates Amandment A1: 2016)

CZ-CSN

CSN 70 0641 Cast.2-1976 Chemical analysis of glass. Determinat- ion of sodium and potassium oxides. Fláme photometric method (after se- paration with ion exehangers)
CSN ISO 6831:1993 Iron ores. Determination of sodium and/or potassium contents. Flame atomic absorption spectrometric method
CSN 42 0635 Cast.15-1987 Chemical analysis of non-ferrous metals and alloys. Lead. Determination of sodium by the atomic absorption method and flame-photometric method
CSN ISO 7969:1993 Manganese ores and concentrates. Determination of sodium and potassium contents. Flame atomic absorption spectrometric method
CSN 42 0671 Cast.10-1980 Aluminium. Determination of natrium by the flame-photometric method
CSN 65 2058-1981 SODIUM HYDROXIDE TECHNICAL Atomio Absorbtion Spoctroscopy for Dutormiiiation o? Iron
CSN 65 2468-1981 Sodium Chloride (Salt) Fláme Photometry Method of Potaslum Content Determination
CSN 42 0670 Cast.12-1981 Aluminium alloys. Determination of natrium by the flame-photomotric metod

YU-JUS

JUS H.B8.130-1980 Cryolite, natural and artificial. Determination of sodium content. Flame atomic absorption spectrophotometric method
JUS H.G8.081-1983 Reagents. Sodi um chloride. Determination of phosphate content. Spectrophotometric method
JUS H.Z1.149-1987 Testing of industrial vvaters. Determination of anionic surfactants. Spectrophotometric method
JUS H.B8.190-1979 Ahiminium fluoride for industrial use. Determination of sodium content. Flame emission spectrophotometric metho?
JUS H.G8.088-1983 Reagents.Sodium chloride.Determination of potassium content.Flame emission spectrophotometric method
JUS H.G8.461-1991 Reagents. Potassium sulpbate. Determinatlon of sodium conteat. Fleaae emlssiem spectrophotometric metbod
JUS H.G8.110-1984 Reagents. Potassium chloride. Determination of sodium content. Flame emission spectrophotometric method
JUS H.G8.518-1991 Reagents. Potassium hydroxide. Determination of sodium content. Flame emission spectrophotometric method
JUS H.B8.132-1980 Cryolite, naturaland artificiaL Determination ofsodium content. Flame emission spectrophotometric method

Magyar Szabványügyi Testület

MSZ KGST 1887-1979 Spectrophotometric determination of mercury content in industrial sodium hydroxide
MSZ KGST 1884-1979 Spectrophotometric determination of aluminum content in industrial sodium hydroxide
MSZ KGST 1877-1979 Spectrophotometric determination of acid content in industrial sodium hydroxide
MSZ KGST 1881-1979 Spectrophotometric determination of copper content in industrial sodium hydroxide
MSZ KGST 1886-1979 Automatic absorption spectrophotometric determination of mercury content in industrial sodium hydroxide

Standards Norway

SN-CEN/TS 16318:2012 Fertilizers — Determination of trace elements — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NS-EN 16318:2013 Fertilizers — Determination of trace elements — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
NS-EN 16318:2013+A1:2016 Fertilizers and liming materials — Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

RO-ASRO

STAS SR 13362-1996 Sodium chloride. Determination of iron. 1,10 - phenanthroline Photometric Method
SR 2603-1994 Steels and irons. Determination of vanadium content. Sodium tungstate spectrophotometric method
STAS SR 8934-30-1997 Sodium chloride. Determination of sodium content. Flamphotometric method.

BE-NBN

NBN EN 1134-1995 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)

Danish Standards Foundation

DANSK DS/EN 16318+A1:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

British Standards Institution (BSI)

BS EN 16318:2013+A1:2016 Fertilizers and liming materials. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
BS PD CEN/TS 16318:2012 Fertilizers. Determination of trace elements. Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)
BS EN 16318:2013 Fertilizers. Determination of trace elements. Determination of chromiumVI by photometry method A and by ion chromatography with spectrophotometric detection method B

Swedish Institute for Standards

SS-EN 16318:2013+A1:2016 Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B)

Japanese Industrial Standards Committee (JISC)

JIS G 1258:1989 Methods for inductively coupled plasma emission spectrochemical analysis of steel
JIS K 0116:1995 General rules for atomic emission spectrometry
JIS K 1201-5:2000 Sodium carbonate for industrial use -- Part 5: Determination of iron content -- 1,10-Phenanthroline molecular absorption spectrometry, Atomic absorption spectrometry, and inductively coupled plasma atomic emission spectrometry
JIS K 1200-6:2000 Sodium hydroxide for industrial use -- Part 6: Determination of iron content -- Atomic absorption spectrometry and inductively coupled plasma atomic emission spectrophotometry

GCC Standardization Organization

GSO ISO 2272:2015 Surface active agents -- Soaps -- Determination of low contents of free glycerol by molecular absorption spectrometry

UY-UNIT

UNIT 373-1974 Measurement of sodium by flame spectrophotometry

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 2366:2013 Cryolite, natural and artificial -- Determination of sodium content -- Flame emission and atomic absorption spectrophotometric methods

AT-ON

ONORM M 6603-1-1997 Water analysis - Determination of potassium and sodium by atomic absorption spectrometry

FI-SFS

SFS 3778-1976 Industrial application of sodium tripolyphosphate and sodium tripolyphosphate. Iron content determination. Spectrophotometry

TR-TSE

TS 2068-1975 SODIUM TRIPOLYPHOSPHATE AND SODIUM PYROPHOSPHATE FOR INDUSTRIAL USE DETERMINATION OF IRON CONTENT 2,2'-BIPYRIDYL SPECTROPHOTOMETRIC METHOD

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