Impurity standardization

Impurity standardization, Total:264 items.

The international standard classification for "Impurity standardization" includes: Chemical analysis , Aluminium and aluminium alloys , Fissile materials , Rubber compounding ingredients , food products in general , Vegetables and derived products , Aromatic hydrocarbons , Chemical analysis of metals , Inorganic chemicals in general , Refractories , Other non-ferrous metals and their alloys , Other materials , Workplace atmospheres , Cadmium, cobalt and their alloys , Titanium and titanium alloys , Nickel, chromium and their alloys , Copper and copper alloys , Other pipeline components , Testing of metals , Textiles in general .

The Chinese standard classification for "Impurity standardization" includes: Chemical reagent in general , Light metals and their alloys analysis method , Nuclear material, nuclear fuel and their analytical test method , Carbon black , Cash crop in general , Melon, fruit and vegetable planting and product , General organic chemicals , Precious metals and its alloy analysis method , Papermaking in general , Basic standards and general methods , Milk and dairy products , Inorganic chemicals in general , Basic refractory , Rare metals and their alloys analysis method , Other non-metal mine product , Hygiene, safety and labor protection , Labor sanitation , Rare refractory metals and their compounds , Rare light metals and their alloys , Semimetal and semiconductor material analysis method , Heavy metals and their alloys analysis method , Boiler and its auxiliary equipment , Technical Management , Metal chemical property test method , Basic standards and general methods , Cotton textile in general .

Professional Standard - Agriculture

GB 12533-1990 Determination of edible fungus impurities
1779药典一部-2010 Appendix IX A Impurity inspection method
GB 602-1988 Preparation of Standard Solution for Determination of Impurities in Chemical Reagents
香港规例第132V章 Food Adulteration (Metallic Contamination) Regulations
农业部630号公告-9-2006 Technical guidelines for impurity research of veterinary chemicals

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

GB/T 602-2002 Chemical Reagent – Preparations of Standard Solutions for Impurity
GB/T 3780.12-1995 Carbon black－Inspection of impurity material
GB/T 22878-2008 Paper and board—Estimation of contraries
GB/T 13374-1992 Spectrographic analysis of uranium oxide (U@3O@8) by gallium oxide-carrier technique
GB/T 4298-1984 The activation analysis method for the determination of elemental impurities in semiconductor silicon materials
GB/T 25934.2-2010 Methods for chemical analysis of high purity gold - Part 2: Inductively coupled plasma mass spectrometry standard enter emendation-inner standard method - Determination of impurity
GB/T 30903-2014 Inorganic chemicals for industrial use―Determination of impurity element―Inductively coupled plasma mass spectrometry(ICP-MS)
GB/T 12690.6-2003 Praseodymium oxide-Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide
GB/T 8038-2023 Coking toluene—Determination of hydrocarbon impurities—Gas chromatography
GB/T 12533-2008 Determination of extraneous matter in edible mushroom
GB/T 8038-1987 Toluene of coal carbonization--Determination of hydrocarbon impurities-gas chromatographic method
GB 5413.30-2010 National food safety standard Determination of impurities in milk and milk products
GB/T 13372-1992 Determination of trace elements in uranium dioxide powders and pellets by ICP - AES
GB/T 14488.2-2008 Oilseeds—Determination of content of impurities
GB/T 8038-2009 Toluene of coal carbonization—Determination of hydrocarbon impurities gas chromatographic method
GB/T 25934.2-2010(英文版) Methods for chemical analysis of high purity gold—Part 2: Inductively coupled plasma mass spectrometry standard enter emendation innerstandard method—Determination of impurity elements contents
GB/T 12533-1990 Determinaiton of micellaneous matter in edible fungi
GB/T 3169.2-1982 Chemical analysis of aluminum powder--Determination of total aluminum by difference
GB/T 31197-2014 Inorganic chemicals for industrial use-Determination of impurity anions - Ion chromatography method
GB/T 5069.4-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials-Ortho-phenanthroline photometric method for determination of iron oxide content
GB/T 12690.15-2006 Chemical analysis methods for non-rare earth metals and their oxide Determination of calcium oxide content

Professional Standard - Chemical Industry

HG/T 2797.5-1996 Determination of silicon aluminum carbon black impurities
HG/T 3696.2-2011 Inorganic chemicals for industrical usePreparations of standard and reagent solutions for chemical analysisPart 2: Preparations of standard solutions for impurity
HG/T 3696.2-2002 Inorganic chemical products Preparations of standard solutions for chemical analysis

Professional Standard - Urban Construction

CJ/T 48-1999 Domestic Miscellaneous Water Quality Standards

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34003-2017 Detection method of impurity elements in boron nitride
GB/T 35925-2018 Determination of impurity fluorine ion in water soluble chemicals—Ion chromatography method

Professional Standard - Rare Earth

XB/T 633-2023 Method for chemical analysis of impurity elements contents in rare earth oxides － Glow discharge mass spectrometry

Professional Standard - Post and Telecommunication

YD/T 647-1994 Quality grading criteria of HF and LF noise testers

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2476-2018 Quality Standards for Mechanized Breeding and Transplanting of Hybrid Indica Rice
DB51/T 2044-2015 Determination method of impurity element content in high-purity vanadium pentoxide

Professional Standard - Machinery

JB/T 53211-1999 Product quality classification of reciprocating impurity pumps
JB/T 9088-2013 Reciprocating Impurity Pump
JB/T 9088-1999 Reciprocating impurity pump

Professional Standard - Ferrous Metallurgy

YB/T 1504-1977 Method for Determination of Emission Spectra of Rare and Upper Rare Impurities in Neodymium Oxide
YB/T 1507-1977 Method for Determination of Rare Earth Impurities in Gadolinium Oxide by Emission Spectroscopy
YB/T 1505-1977 Method for Determining Emission Spectra of Rare Earth Impurities in Samarium Oxide
YB/T 1503-1977 Method for Determining Emission Spectra of Diluted and Upper Impurities in Lanthanum Oxide

Fujian Provincial Standard of the People's Republic of China

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

工业和信息化部/国家能源局

JB/T 13306-2017 Superabrasive一Testing method of impurity content in cubic boron nitride

Occupational Health Standard of the People's Republic of China

GBZ/T 160.75-2004 Methods for determination of heterocyclic compunds in the air of workplace

Hebei Provincial Standard of the People's Republic of China

DB13/T 5874-2023 Chromatographic method for determination of impurities in hydrogen fluoride used in the electronics industry

Professional Standard - Non-ferrous Metal

YS/T 1599-2023 Method for chemical analysis of high purity zirconium一 Determination of trace impurity elements content一 Glow discharge mass spectrometry
YS/T 897-2013 Methods for Chemical Analysis of High Purity Niobium - Determination of Trace Impurity Element Content - Glow Discharge Mass Spectrometry
YS/T 1011-2014 Methods for chemical analysis of high purity cobalt—Determination of impurity elements content—Glow discharge mass spectrometry
YS/T 473-2005 Determination of impurity elements in gallium for industrial use - ICP-MS analytical method
YS/T 922-2013 Methods for Chemical Analysis of High Purity Copper Determination of Trace Impurity Elements Content Glow Discharge Mass Spectrometry
YS/T 871-2013 Chemical analysis of high purity aluminium—Determination of trace impurities—Glow discharge mass spectrometry
YS/T 871-2023 Method for chemical analysis of pure aluminium- Determination of trace impurity elements content- Glow discharge mass spectrometry
YS/T 1600-2023 Determination of trace impurity elements in silicon carbide single crystal —Glow discharge mass spectrometry
YS/T 980-2014 Determination of impurities of high purity gallium oxide—Inductively coupled plasma-mass spectrmetry
YS/T 917-2013 Chemical Analysis Methods for High Purity Cadmium Determination of Trace Impurity Elements Content Glow Discharge Mass Spectrometry
YS/T 1012-2014 Methods for chemical analysis of high purity nickel—Determination of trace impurity elements content—Glow discharge mass spectrometry
YS/T 901-2013 Methods for Chemical Analysis of High Purity Tungsten - Determination of Trace Impurity Element Content - Glow Discharge Mass Spectrometry
YS/T 1654-2023 Methods for chemical analysis of high purity gallium nitride —Determination of trace impurity elements contents —Glow discharge mass spectrometry
YS/T 899-2013 Methods for Chemical Analysis of High Purity Tantalum - Determination of Trace Impurity Element Content - Glow Discharge Mass Spectrometry
YS/T 742-2010 Methods for chemical analysis of gallium oxide Determination of impurities Inductively coupled plasma mass spectrometer method
YS/T 895-2013 Methods for Chemical Analysis of High Purity Rhenium - Determination of Trace Impurity Element Content - Glow Discharge Mass Spectrometry
YS/T 891-2013 Methods for Chemical Analysis of High Purity Titanium - Determination of Trace Impurity Element Content - Glow Discharge Mass Spectrometry

Association Standard - China Boiler Water Quality Association Standards

CBWQA/T 0003-2013 Dirt separator

Group Standards of the People's Republic of China

T/CBWQA 0003-2013 Dirt separator
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/CNIA 0061-2020 Determination of Impurity Content in Silicon Tetrachloride for Silicon Epitaxy by Inductively Coupled Plasma Mass Spectrometry
T/SDAS 4-2016 Methods for chemical analysis of high purity gold—Determination of impurity elements contents—Glow discharge mass spectrometry

Professional Standard - Electron

SJ/T 10552-2021 Method of emission specthchemical analysis of impurities in TiO2 for use in electron ceramics
SJ 20635-1997 Test method for residual impurities concentration in microzone of semi-insulating gallium arsenide
SJ/T 10552-1994 Method of emission specthochemical analysis of impurities in TiO2 for use in electron ceramics
SJ/T 10553-1994 Method of emission spectrochemical analysis of impurities in ZrO2 for use in electron ceramics
SJ/T 10553-2021 Method of emission specthchemical analysis of impurities in ZrO2 for use in electron ceramics
SJ 2594-1985 Method for the analysis of boron and metalic impurities in pure SiC14 - Spectro-chemical method

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

GJB 3419-1998 Method for determination of density and impurity elements of depleted uranium metal ingots
GJB 1803-1993 Test methods for silica and impurity elements in high-purity silica sol

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 36590-2018 Method for chemical analysis of high purity silver—Determination of trace impurity elements contents—Glow discharge mass spectrometry
GB/T 41153-2021 Determination of boron,aluminum and nitrogen impurity content in silicon carbide single crystal―Secondary ion mass spectrometry

Guangxi Provincial Standard of the People's Republic of China

DB45/T 1073-2014 Detection of Impurities in Pine Resin

工业和信息化部

YS/T 1530-2022 Method for chemical analysis of high purity tin—Determination of impurity elements contents—Glow discharge mass spectrometry
YS/T 1467.12-2021 Methods of chemical analysis of hafnium Part 12: Determination of trace impurity elements
YS/T 1505-2021 Chemical analysis method of high purity ruthenium Determination of impurity element content Glow discharge mass spectrometry
YS/T 1494-2021 Chemical analysis method for high purity gold Determination of impurity element content Glow discharge mass spectrometry
YS/T 1495-2021 Chemical analysis method for high purity rhodium Determination of impurity element content Glow discharge mass spectrometry
YS/T 1506-2021 Chemical analysis method of high-purity iridium Determination of impurity element content Glow discharge mass spectrometry
YS/T 1493-2021 Chemical analysis method for high purity platinum Determination of impurity element content Glow discharge mass spectrometry
YS/T 1473-2021 Chemical analysis method of high purity molybdenum Determination of trace impurity elements Glow discharge mass spectrometry
YS/T 1504-2021 High purity palladium chemical analysis method Determination of impurity element content Glow discharge mass spectrometry
YS/T 1347-2020 Method for chemical analysis of high purity hafnium-Determination of trace impurity elements content-Glow discharge mass spectrometry

Professional Standard - Petrochemical Industry

SH/T 1778-2014 Chemical grade propylene- Deterxnanation of purity andhydrocarbon impurities-Gas chromatographic method

Professional Standard - Commodity Inspection

SN/T 2081-2008 Determination of impurities in alumina—Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution

Hubei Provincial Standard of the People's Republic of China

DB42/T 093-2002 High-quality hybrid rapeseed Huaza No. 2 "three-line" parent and hybrid field planting inspection operation
DB42/ 141-2002 Quality of first generation hybrids of silkworm

Taiwan Provincial Standard of the People's Republic of China

CNS 3237-1971 Method of Test for Impurities in Compressed Hydrogen

检验方法与规程专业（理化）

GB 5413.30-2016 National Food Safety Standard Determination of Impurities in Milk and Milk Products

Professional Standard - Textile

FZ/T 10006-2008 Inspection of Neps and trashes for gray fabrics of cotton Man-made fibers or their blends
FZ/T 10006-1993 Inspection of Nep Impurity Defect Rate of Cotton, Pure Chemical Fibre and Blended Grey Fabrics

Anhui Provincial Standard of the People's Republic of China

DB34/T 2259-2014 High-yield and high-quality mechanized cultivation technical regulations for two-line hybrid medium indica rice

Professional Standard - Medicine

YY/T 0188.3-1995 Operating methods for the tests and assays of drugs Part 3: Methods for the tests of impurities in pharmaceutical chemicals

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

DB15/T 376-2024 Rules for judging the storage quality of grains

PL-PKN

PN R66147-1973 Oil seeds Determination of impuri?ies
PN C89291 ArkusZ10-1972 Polyvinyl chloride resins Determination of impurities and foreign ma??er
PN R74016-1969 Cereal grains Determina?ion o( pes?, impuri?ies and smu?

CZ-CSN

CSN 65 6478-1969 Chemical impurities determination in liquefied hydrocarbon gases
CSN 50 0328-1953 Impurity determination
CSN 80 0075-1974 Delerniination of inipurities coiitenl iii s?oiir?il wool by cliemicíil jirocess
CSN 65 6312-1953 Mechanical impurity testing
CSN 68 4153-1989 Concentration of the impurities by he extraction method
CSN 64 0340-1983 Determination of thc conlent f mechanical impurities
CSN 50 0201-1986 Deterrcination of areál impurities in pulp
CSN 68 4121-1979 Determination of heavy metals mpurities
CSN 80 0222-1970 Determination of impurities in ba?t fibres
CSN 42 0647 Cast.13-1989 Chemical analysis of non-ferrous metals and alloys. Tungsten. Determination of mechanical impurities by the gravimetric method

American Society for Testing and Materials (ASTM)

ASTM UOP303-07 Impurities in Catalysts by ICP-OES
ASTM UOP303-19 Impurities in Catalysts by ICP-OES
ASTM UOP303-87 Impurities in Catalysts by ICP-AES
ASTM UOP303-05 Impurities in Catalysts by ICP-OES
ASTM D8311-20 Standard Test Method for Impurities in Monoethylene Glycol by Gas Chromatography with Normalization
ASTM C1287-95(2001) Standard Test Method for Determination of Impurities in Uranium Dioxide by Inductively Coupled Plasma Mass Spectrometry
ASTM E45-10e1 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-10 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM C1463-00 Standard Practices for Dissolving Glass Containing Radioactive and Mixed Waste for Chemical and Radiochemical Analysis
ASTM C1463-00(2007) Standard Practices for Dissolving Glass Containing Radioactive and Mixed Waste for Chemical and Radiochemical Analysis
ASTM D2019-97(2002) Standard Test Method for Dirt in Paper and Paperboard
ASTM C1287-10 Standard Test Method for Determination of Impurities in Nuclear Grade Uranium Compounds by Inductively Coupled Plasma Mass Spectrometry
ASTM D2186-05 Standard Test Methods for Deposit-Forming Impurities in Steam
ASTM C1463-13 Standard Practices for Dissolving Glass Containing Radioactive and Mixed Waste for Chemical and Radiochemical Analysis
ASTM D2019-97 Standard Test Method for Dirt in Paper and Paperboard
ASTM D2019-97(2007) Standard Test Method for Dirt in Paper and Paperboard
ASTM C1287-18 Standard Test Method for Determination of Impurities in Nuclear Grade Uranium Compounds by Inductively Coupled Plasma Mass Spectrometry
ASTM E45-05 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-05e3 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-05e1 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-13 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-11a Standard Test Methods for Determining the Inclusion Content of Steel
ASTM E45-11 Standard Test Methods for Determining the Inclusion Content of Steel
ASTM D2186-84(1999)e1 Standard Test Methods for Deposit-Forming Impurities in Steam
ASTM E45-97(2002) Standard Test Methods for Determining the Inclusion Content of Steel
ASTM D2186-05(2009) Standard test method for impurities formed by deposition in vapors
ASTM D2186-84(2005) Standard Test Methods for Deposit-Forming Impurities in Steam
ASTM F24-04 Standard Method for Measuring and Counting Particulate Contamination on Surfaces
ASTM C40/C40M-19 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
ASTM C40/C40M-20 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
ASTM D2593-23 Standard Test Method for Butadiene Purity and Hydrocarbon Impurities by Gas Chromatography
ASTM D5557-95(2023) Standard Test Method for Determination of Insoluble Impurities Contained in Fats and Oils Used in Fat Liquors and Stuffing Compounds
ASTM UOP806-84 Alcohol Impurities in Acetone
ASTM UOP927-92 Trace Metallic Impurities in Fresh Catalysts by ICP-AES
ASTM D4898-90(2000)e1 Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis
ASTM D6469-04 Standard Guide for Microbial Contamination in Fuels and Fuel Systems
ASTM D4898-16 Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis
ASTM C1287-03 Standard Test Method for Determination of Impurities in Uranium Dioxide by Inductively Coupled Plasma Mass Spectrometry
ASTM F1594-95(2003) Standard Specification for Pure Aluminum (Unalloyed) Source Material for Vacuum Coating Applications
ASTM F1594-95(2011) Standard Specification for Pure Aluminum (Unalloyed) Source Material for Vacuum Coating Applications
ASTM D4898-90(2010)e1 Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis
ASTM E1746-95 Standard Test Method for Sampling and Analysis of Liquid Chlorine for Gaseous Impurities
ASTM B885-97 Standard Test Method for Presence of Foreign Matter on Printed Wiring Board Contacts
ASTM C40/C40M-16 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
ASTM C40/C40M-11 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
ASTM B885-09(2015) Standard Test Method for Presence of Foreign Matter on Printed Wiring Board Contacts
ASTM B885-09 Standard Test Method for Presence of Foreign Matter on Printed Wiring Board Contacts
ASTM B885-97(2003) Standard Test Method for Presence of Foreign Matter on Printed Wiring Board Contacts
ASTM E1746-95(2001)e1 Standard Test Method for Sampling and Analysis of Liquid Chlorine for Gaseous Impurities

Universal Oil Products Company (UOP)

UOP 303-2007 IMPURITIES IN CATALYSTS BY ICP-AES
UOP 927-1992 TRACE METALLIC IMPURITIES IN FRESH CATALYSTS BY ICP-AES

RU-GOST R

GOST 10671.7-2016 Reagents. Methods for determination of chlorides impurity
GOST 23862.17-1979 Praseodymium and its oxide. Method of determination of rare-earth element oxides
GOST 10671.4-1974 Reagents. Methods for determination of nitrogen compaunds impurity general content
GOST 24977.1-1981 Tellurium high purity. Method of chemical and spectral for the ditermination of impurities
GOST R 50233.5-1992 Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals
GOST 23862.18-1979 Neodymium, gadolinium and their oxides. Method of determination of rare-earth element oxides
GOST 22518.1-1977 Lead of high purity. Chemical spectral method for the determination of additions
GOST 27566-1987 Superpure substances. Method of atomic emission spectroscopy for determination of chemical elements impurities in liquid-phase substances
GOST 23862.7-1979 Rare-earth metals and their oxides. Chemical-spectral methods of determination of impurities in oxides of rare-earth elements
GOST 23862.1-1979 Rare-earth metals and their oxides. Spectral method of determination of impurities in oxides of rare-earth elements
GOST 23862.2-1979 Rare-earth metals and their oxides. Direct spectral method of determination of impurities in oxides of rare-earth elements
GOST 23862.3-1979 Samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutecium and their oxides. Spectral method of determination of impurities in oxides of rare-earth elements
GOST 23862.8-1979 Lanthanum, cerium, ytterbium, lutecium, yttrium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare earth elements
GOST 24245-1980 Reagents. Method for the determination of ammonium impurity
GOST 26239.4-1984 Dichlorsilane. Methods of inpurities determination
GOST 21979-1976 Reagents. Zinc compounds. Polarographic method for the determination of copper, lead and cadmium as impurities
GOST ISO 658-2013 Oilseeds. Determination of content of impurities
GOST 27868-1988 High purity substances. Method for concentration of microimpurities by extraction
GOST R 56240-2014 Copper. Spectral methods of impurity analysis
GOST 19920.7-1974 Stereoregular butadiene synthetic rubbers. Method for determination of presence of mechanical inclusions and insoluble polymer impurities
GOST 10671.1-2016 Reagents. Method for determination of silica impurity
GOST 10485-1975 Reagents. Methods for determination of arsenic admixture
GOST 24245-2016 Reagents. Method for determination of ammonium impurity

RO-ASRO

STAS SR 8934-17-1997 Sodium chloride. Determination of the content of mechanical impurities
STAS 6346-1989 MILK Impurity degrt'e dctermination
STAS 8302-1979 FISH PRODUCTS Determination of mineral impurities
SR 10643-1999 Washed wool - Determination of content of the insoluble impurities in the sodium hydroxide solution

GSO

GSO ISO 8287:2015 Magnesium and magnesium alloys -- Unalloyed magnesium -- Chemical composition
GSO ASTM E45:2009 Standard Test Methods for Determining the Inclusion Content of Steel
GSO ISO 14237:2013 Surface chemical analysis -- Secondary-ion mass spectrometry -- Determination of boron atomic concentration in silicon using uniformly doped materials
BH GSO ASTM D2593:2015 Standard Test Method for Butadiene Purity and Hydrocarbon Impurities by Gas Chromatography
GSO ISO 4967:2015 Steel -- Determination of content of non-metallic inclusions -- Micrographic method using standard diagrams

SCC

AWWA WQTC52864 Chemistry Detail of ClO2 Generation: Impurities and By-Products
AWWA JAW20885 Journal AWWA — Effects of Storage and Preoxidation on Sludge and Water Quality
ASTM D2712-17e1 Standard Test Method for Determination of Hydrocarbon Impurities in High Purity Propylene by Gas Chromatography
CAN 2-3.5-M79-1979 Essence, auto, sans plomb
BS EN ISO 658:1995 Oilseeds. Determination of impurities content
05/30134817 DC IEC 62434 TR. The pH measurements in difficult media. Definitions, standards and procedures

Association Francaise de Normalisation

NF T25-107:2011 Carbon fibers - Chemical analysis - Determination of metal impurities.
NF T51-046*NF EN ISO 1265:2007 Plastics - Poly(vinyl chloride) resins - Determination of number of impurities and foreign particles.
NF T20-738:1967 Chemical analysis of phthalic anhydride. Determination of impurities oxidizable in the cold by potassium permanganate.
NF EN ISO 658:2002 Oilseeds - Determination of impurity content
NF A04-112:1980 Iron and steel. Macrographic method of showing and describing the chemical heterogeneity of effervescent steel wire rod.

Korean Agency for Technology and Standards (KATS)

KS K 0195-2006 Non-ionic surface active agents-Determination of cloud point index-Volumetric method
KS F 2576-2020 Standard test method for impurity contents of recycled aggregate
KS M 1960-2002 Ethylene for industrial use-Determination of hydrocarbon impurities-Gas chromatographic method

International Organization for Standardization (ISO)

ISO 927:2009 Spices and condiments - Determination of extraneous matter and foreign matter content
ISO 1265:1979 Plastics; Polyvinyl chloride resins; Determination of number of impurities and foreign particles
ISO 15755:1999 Paper and board - Estimation of contraries
ISO 249:1995 Rubber, raw natural - Determination of dirt content

SE-SIS

SIS SS-ISO 1265:1987 Plastics - Polyvinyl chloride resins - Determination of number of impurities and foreign particles
SIS SS 11 11 16-1987 Steel - Method for assessment of the content of non-metallic inclusions - Microscopic methods - Jernkontorets inclusion chart II for the assessment of non-metallic inclusions
SIS SS 13 21 20-1991 Aggregate — Organic impurities — Testing

German Institute for Standardization

DIN EN ISO 927:2010 Spices and condiments - Determination of extraneous matter and foreign matter content (ISO 927:2009); German version EN ISO 927:2009
DIN 50450-1:1987-08 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of water impurity in hydrogen, oxygen, nitrogen, argon and helium by using a diphosphorus pentoxide cell
DIN EN ISO 1265:2007 Plastics - Poly(vinyl chloride) resins - Determination of number of impurities and foreign particles (ISO 1265:2007) English version of DIN EN ISO 1265:2007-05
DIN EN ISO 15755:1999 Paper and board - Estimation of contraries (ISO 15755:1999); German version EN ISO 15755:1999
DIN 50450-9:2021-07 Testing of materials for semiconductor technology - Determination of impurities in carrier gases and dopant gases - Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C<(Index)1>-C<(Index)3>-hydrocarbons in gaseous hydr
DIN 50450-9:2003 Testing of materials for semiconductor technology - Determination of impurities in carrier gases and dopant gases - Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C<(Index)1>-C<(Index)3>-hydrocarbons in gaseous hydr
DIN 50450-9 E:2020-11 Testing of materials for semiconductor technology - Determination of impurities in carrier gases and dopant gases - Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C<(Index)1>-C<(Index)3>-hydrocarbons in gaseous hydr
DIN EN ISO 658:2002-08 Oilseeds - Determination of content of impurities (ISO 658:2002); German version EN ISO 658:2002

British Standards Institution (BSI)

BS EN ISO 927:2009 Spices and condiments - Determination of extraneous matter and foreign matter content
BS EN ISO 1265:2007 Plastics - Poly(vinyl chloride) resins - Determination of number of impurities and foreign particles
BS EN ISO 15755:2000 Paper and board - Estimation of contraries

Japanese Industrial Standards Committee (JISC)

JIS P 8208:1998 Pulps -- Estimation of contraries
JIS G 2402:2002 Aluminium dross for iron and steel making

European Committee for Standardization (CEN)

EN ISO 927:2009 Spices and condiments - Determination of extraneous matter and foreign matter content (ISO 927:2009)
EN ISO 927:2009/AC:2012 Spices and condiments - Determination of extraneous matter and foreign matter content - Technical Corrigendum 1 (ISO 927:2009/Cor 1:2012)

VN-TCVN

TCVN 4891-2013 Spices and condiments.Determination of extraneous matter and foreign matter content
TCVN 5615-1991 Tea.Method for determination of foreign matter

TR-TSE

TS 2947-1978 OLEAGINOUS SEEDS DETERMINATION OF IMPURITIES
TS 127-1964 STANDARD METHODS OF TEST FOR BENZENE-INSOLUABLE MATTER ?N CREOSOTE

Spanish Association for Standardization (UNE)

UNE 55002:1962 FATS. IMPURITIES DETERMINATION
UNE 48 143 Determination of impurities in drying oil
UNE 53 542 Determination of impurities in natural rubber

PT-IPQ

NP 1423-1987 Fruits, vegetables and similar products. Measurement of Mineral Impurities and Insoluble Mineral Impurities in Hydrochloric Acid
NP 135-1957 beeswax. Impurity measurement

BE-NBN

NBN I-904-1968 Oil. Measurement of impurities

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

IPC MI-660 11.10-1984 Determination of Trace Impurities

GOSTR

GOST 27566-2020 Superpure substances. Determination of impurities of chemical elements by atomic emission spectrometry methods in liquid-phase substances
GOST 9679.2-1971 Raw cotton. Method of determining impurities
GOST 27868-2019 High purity substances. Method for concentration of microimpurities by extraction

Indonesia Standards

SNI 01-3184-1992 Penentuan kadar kotoran
SNI 2816-2014 Standard Test Method for Organic Impurities in Aggregates for Concrete
SNI 8169-2015 Penentuan impurities paha rumput laut

YU-JUS

JUS C.A1.650-1987 Methodes of chemical analysis of silver. Determination of impurities contents. Spectrographic metod".
JUS H.B9.100-1997 Butadiene - Determination ofpurity and hydrocarbon impurities - Gas chromatographic method

ET-QSAE

ES B.B8.101-1973 Pulse determination of impurities
ES B.B8.003-1973 Determination of impurities in oil seeds

TN-INNORPI

NT 51.02-1983 food. Limitation of impurities

HU-MSZT

MNOSZ 21405-1955 Impurity-free, reflective glass
MSZ 6142/3-1970 complex and simple artificial substances

AR-IRAM

IRAM 126-1960 How to measure steel impurities

AASHTO - American Association of State Highway and Transportation Officials

T 21-2005 Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete
T 21M/T 21 ERTA 1-2016 Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete

The American Road & Transportation Builders Association

AASHTO T 21M - T 21-20 Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete
AASHTO T 21M/T 21-2015 Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete
AASHTO T 21-2005(R2009) Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete

CU-NC

NC 30-66-1987 Plastics Ináustry. Determination of the Number of Impurities and Strange Partióles in Poli (Polivinyl Chloride). Testing Methods

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