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ac chemistry
ac chemistry, Total:499 items.
In the international standard classification, ac chemistry involves: Optics and optical measurements, Fuels, Applications of information technology, Paint ingredients, Construction materials, Physics. Chemistry, Inorganic chemicals, Analytical chemistry, Vocabularies, Glass, Acoustics and acoustic measurements, Standardization. General rules, Leather technology, Nuclear energy engineering, Protection against fire, Surface treatment and coating, Protection against dangerous goods, Environmental protection, Technical drawings, Edible oils and fats. Oilseeds, Electrical accessories, Non-ferrous metals, Optoelectronics. Laser equipment, CHEMICAL TECHNOLOGY, Dentistry, Geology. Meteorology. Hydrology, Education, Organic chemicals, Air quality, Natural gas, Farming and forestry, Construction industry, Refractories, Photography, Ergonomics, Occupational safety. Industrial hygiene, Ceramics, Passenger and cabin equipment, Road vehicle systems, Electronic component assemblies, Cutting tools, Paints and varnishes, Products of the chemical industry, Water quality, Milk and milk products, Rubber, Electronic display devices, Character sets and information coding.
CU-NC, ac chemistry
European Committee for Standardization (CEN), ac chemistry
- EN ISO 7944:1998/AC:2009 Optics and optical instruments - Reference wavelengths (ISO 7944:1998/Cor 1:2009)
- EN ISO 4257:2001/AC:2007 Liquefied petroleum gases - Method of sampling (ISO 4257:2001/Cor.1:2007)
- EN ISO 11073-10418:2014/AC:2016 Health informatics - Personal health device communication - Part 10418: Device specialization - International Normalized Ratio (INR) monitor - Technical Corrigendum 1 (ISO/IEEE 11073-10418:2014/Cor 1:2016)
- EN 15981:2011/AC:2013 European Learner Mobility - Achievement information (EuroLMAI)
- EN ISO 1248:2008/AC:2009 Iron oxide pigments - Specifications and methods of test (ISO 1248:2006 including Technical Corrigendum 1:2007 and Cor 2:2008)
- EN 12390-7:2009/AC:2020 Testing hardened concrete - Part 7: Density of hardened concrete
- EN ISO 11689:1996/AC:2009 Acoustics - Procedure for the comparison of noise-emission data for machinery and equipment (ISO 11689:1996/Cor 1:2007)
- EN ISO 4044:1998 Leather - Preparation of Chemical Test Samples ISO 4044:1977
- EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples
- EN ISO 3766:2003/AC:2004 Construction drawings - Simplified representation of concrete reinforcement (ISO 3766:2003)
- EN ISO 8420:2002/AC:2008 Animal and vegetable fats and oils - Determination of content of polar compounds (ISO 8420:2002/Cor 1:2004)
- EN ISO 21533:2003/AC:2009 Dentistry - Reusable cartridge syringes intended for intraligamentary injections - Technical Corrigendum 1 (ISO 21533:2003/Cor 1:2009)
- EN ISO 19739:2005/AC:2009 Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009)
- EN ISO 11073-10424:2016/AC:2018 Health informatics - Personal health device communication - Part 10424: Device specialization - Sleep apnoea breathing therapy equipment (SABTE) - Technical Corrigendum 1 (ISO/IEEE 11073-10424:2016/Cor 1:2018)
- EN ISO 11064-3:1999/AC:2002 Ergonomic design of control centres - Part 3: Control room layout (ISO 11064-3:1999/Cor.1:2002)
- EN ISO 4044:2017 Leather - Chemical tests - Preparation of chemical test samples
- EN 1744-1:1998 Tests for Chemical Properties of Aggregates - Part 1: Chemical Analysis
- EN ISO 6360-1:2004/AC:2007 Dentistry - Number coding system for rotary instruments - Part 1: General characteristics (ISO 6360-1:2004/Cor 1:2007)
- EN ISO 5534:2004/AC:2013 Cheese and processed cheese - Determination of the total solids content (Reference method) - Technical Corrigendum 1 (ISO 5534:2004/Cor 1:2013)
- EN 1744-1:2009+A1:2012 Tests for chemical properties of aggregates - Part 1: Chemical analysis
- CEN EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples (ISO 4044:2008)
U.S. Military Regulations and Norms, ac chemistry
German Institute for Standardization, ac chemistry
- DIN EN 15981 Berichtigung 1:2013 European Learner Mobility - Achievement information (EuroLMAI); German version EN 15981:2011, Corrigendum to DIN EN 15981:2011-07; German version EN 15981:2011/AC:2013
- DIN EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples (ISO 4044:2008); German version EN ISO 4044:2008
- DIN EN ISO 4044:2017-05 Leather - Chemical tests - Preparation of chemical test samples (ISO 4044:2017); German version EN ISO 4044:2017
- DIN EN 1744-1:2013-03 Tests for chemical properties of aggregates - Part 1: Chemical analysis; German version EN 1744-1:2009+A1:2012
- DIN EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods English version of DIN EN 12698-1:2007-06
- DIN 17850:1990 Titanium; chemical composition
- DIN 17850:2023-05 Titanium - Chemical composition / Note: Date of issue 2023-04-07*Intended as replacement for DIN 17850 (1990-11).
- DIN 17850:2023-10 Titanium - Chemical composition
- DIN EN 12698-1:2007-06 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods; German version EN 12698-1:2007
- DIN EN ISO 20137:2022-12 Leather - Chemical tests - Guidelines for testing critical chemicals in leather (ISO/DIS 20137:2022); German and English version prEN ISO 20137:2022 / Note: Date of issue 2022-11-11*Intended as replacement for DIN EN ISO 20137 (2017-07).
NL-NEN, ac chemistry
Association Francaise de Normalisation, ac chemistry
PL-PKN, ac chemistry
Korean Agency for Technology and Standards (KATS), ac chemistry
IN-BIS, ac chemistry
Japanese Industrial Standards Committee (JISC), ac chemistry
Taiwan Provincial Standard of the People's Republic of China, ac chemistry
- CNS 12587-1989 Technical Terms for Analytical Chemistry (Electrochemistry Division)
- CNS 1552-1962 Ammonium Fluoride
- CNS 9293-1982 Chemical Reagent(Sodium Bromide)
- CNS 1958-1997 Sodium chloride (Reagent)
- CNS 7708-1988 Chemical Reagent (Cesium Chloride)
- CNS 10101-1983 Chemical Reagent (Silver Cyanide)
- CNS 7732-1981 Chemical Reagent (Silver Chloride)
- CNS 1771-1968 Lead Chloride
- CNS 1879-1996 Potassium Bromide (Reagent)
- CNS 1882-1997 Potassium chloride (Reagent)
- CNS 2001-1978 Strontium Chloride
- CNS 1554-1962 Ammonium Iodide
- CNS 1652-1966 Cobalt Chloride
- CNS 8520-1982 Chemical Reagent (Thorium Chloride)
- CNS 1964-1977 Sodium Fluoride
- CNS 1614-1962 Cadmium Bromide
- CNS 1615-1962 Cadmium Chloride
- CNS 1791-1968 Magnesium Oxide
- CNS 1935-1970 Silver Oxide
- CNS 1664-1966 Cupric Bromide
- CNS 1546-1962 Ammonium Bromide
- CNS 1616-1962 Cadmium Iodide
- CNS 1803-1971 Mercuric Cyanide
- CNS 1674-1965 Cyanogen Bromide
- CNS 1892-1975 Potassium Iodide
- CNS 1644-1966 Chromium Chloride
- CNS 1666-1966 Cupric Chloride (Copper Dichloride)
- CNS 1789-1966 Magnesium Chloride
- CNS 1780-1966 Lithium Chloride
- CNS 1740-1967 Gold Chloride
- CNS 1846-1969 Palladium Chloride
- CNS 1627-1964 Calcium Oxide
- CNS 2046-1979 Zinc Oxide
- CNS 10107-1983 Chemical Reagent (Iodine Trichloride)
- CNS 7814-1988 Chemical Reagent (Sulfuryl Chloride)
- CNS 1997-1978 Stannous Chloride
- CNS 1526-1961 Acetyl Chloride
- CNS 1867-1973 Phosphorus Trichoride
- CNS 1809-1971 Mercurous Chloride (Calomel)
- CNS 1635-1994 Carbon Tetrachloride
- CNS 1625-1964 Calcium Hydroxide
- CNS 1864-1973 Phosphorus Pentachloride
- CNS 1773-1968 Lead Dioxide (Brown Lead Oxide)
- CNS 9285-1988 Chemical Reagent (Tetrachloride)
- CNS 1976-1977 Sodium Peroxide
- CNS 1730-1966 Ferrous Sulfide
- CNS 1673-1965 Cuprous Chloride (Copper Monochloride)
- CNS 1571-1962 Antimony Trichloride (Antimonous Chloride)
- CNS 1634-1964 Carbon Disulfite
- CNS 1663-1966 Cupric Ammonium Chloride
- CNS 1801-1996 Mercury (Ⅱ) Bromide (Reagent)
- CNS 1670-1965 Cupric Potassium Chloride
- CNS 1802-1997 Mercury (Ⅱ) chloride (Reagent)
- CNS 1863-1973 Phosphorus Oxychloride
- CNS 8413-2002 Methods of test for chemical, mass spectrometric, spectrochemical, nuclear, and radiochemical analysis of nuclear-grade plutonium nitrate solutions
- CNS 6490-1980 Technical Terms for Analytical Chemistry(Optical Part)
- CNS 9298-1982 Chemical Reagent ( Nickel )
- CNS 7714-1981 Chemical Reagent (Anthracene)
- CNS 7715-1981 Chemical Reagent (Sulfur)
- CNS 2024-1979 Tin
- CNS 1768-1968 Lead
- CNS 1607-1998 Bromine (reagent)
- CNS 2040-1979 Zinc
- CNS 1590-1998 Benzene (reagent)
- CNS 1786-1966 Magnesium
- CNS 1755-1994 Iodine
- CNS 1873-1973 Potassium
- CNS 1811-1971 Mercury
- CNS 1658-1966 Copper
- CNS 1531-1961 Aluminum
- CNS 1938-1976 Sodium
- CNS 1847-1969 Peptone (Meat Peptone)
- CNS 1926-1970 Selenium
- CNS 10725-1983 Chemical Reagent (Antimony Trioxide)
- CNS 8140-1988 Chemical Reagent (Stannic Chloride, Hydrate)
- CNS 8141-1988 Chemical Reagent (Thionyl Chloride)
- CNS 7822-1981 Chemical Reagent (Zirconium Oxychloride)
- CNS 1748-1994 Hydrogen Peroxide
- CNS 1756-1968 Iodine Pentoxide
- CNS 1865-1973 Phosphorus Pentoxide
- CNS 1533-1961 Aluminum Chloride, Anhydrous
- CNS 2624-1972 Method of Test for Aluminium Hydroxide
- CNS 1668-1966 Cupric Oxide, Powder (Copper Oxide Black)
- CNS 1563-1962 Ammonium Sulfide Solution
- CNS 1807-1971 Mercuric Oxide, Yellow
- CNS 1806-1971 Mercuric Oxide, Red
- CNS 1643-1966 Choline Chloride)
- CNS 1596-1962 Benzoyl Chloride
- CNS 1622-1964 Calcium Chloride, Anhydrous
- CNS 1669-1966 Cupric Oxide, Wire
- CNS 8028-1981 Chemical Reagent (Hydrazinium (II) Dichloride)
- CNS 1534-1961 Aluminum Chloride, Hydrated
- CNS 1927-1970 Semicarbazide Hydrochloride
- CNS 1804-1971 Mercuric Iodide,Red
- CNS 1599-1962 Bismuth Chloride (Bismuth Trichloride)
- CNS 1537-1961 Aluminum Oxide (Ignited Aluminum Oxide)
- CNS 1588-1962 Barium Peroxide (Barium Dioxide)
- CNS 2025-1979 Titanium Trichloride (Titanous Chloride)
- CNS 1582-1996 Barium Chloride Dihydrate (Reagent)
- CNS 1723.1-1966 Ferric Chloride, Low in Phosphorus
- CNS 1980-1977 Sodium Phosphate, Monobasic
- CNS 12786-1990 Method of Chemical Analysis for Silicon Nitride Powders
- CNS 1624-1998 Calcium chloride dihydrate (reagent)
- CNS 1797-1968 Manganese Dioxide, Precipitated
- CNS 1604-1964 Boric Anhydride (Boron Trioxide)
- CNS 1525-1961 Acetonitrile (Methyl Cyanide)
- CNS 2013-1979 Tetraethylammonium Hydroxide
- CNS 1723-1-1966 Ferric Chloride, Low in Phosphorus
- CNS 2014-1979 Tetramethylammonium Hydroxide
- CNS 1573-1962 Arsenic Pentoxide (Arsenic Acid Anhydride)
VN-TCVN, ac chemistry
- TCVN 5530-2010 Chemical terms.Nomenclature of chemical elements and compounds
- TCVN 7126-2010 Leather.Chemical tests.Preparation of chemical test samples
- TCVN 6900-2-2001 Chemistry.Layouts for standards.Part 2: Methods of mechical analysis
RO-ASRO, ac chemistry
- STAS 6757-1980 Semi-chemical pulp REED MECHANIC CHEMICAL PULP
- STAS 7874/1-1992 Chemical and electrochemical plating baths. Silver plating baths Methods of analysis
- STAS 7874/0-1981 ELECTROCHEMICAL COATING BATHS General specifications for chemical analysis carrying out
- SR 7874/15-1993 Baths for chemical and electrochemical platings. Burring baths. Methods of analysis
- STAS 9315/1-1980 EQUIPMENTS FOR CHEMICAL AND PETROCHEMICAL INDUSTRY Seimic actions
HU-MSZT, ac chemistry
Professional Standard - Building Materials, ac chemistry
Group Standards of the People's Republic of China, ac chemistry
(U.S.) Ford Automotive Standards, ac chemistry
British Standards Institution (BSI), ac chemistry
- BS ISO 78-2:1999 Chemistry - Layout for standards - Methods of chemical analysis
- BS EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples
- BS EN 1744-1:2009 Tests for chemical properties of aggregates - Chemical analysis
- BS EN 1744-1:2009+A1:2012 Tests for chemical properties of aggregates. Chemical analysis
- BS EN 1744-1:1998 Tests for chemical properties of aggregates - Chemical analysis
- BS EN 1744-1:2010 Tests for chemical properties of aggregates. Chemical analysis
- BS 5936:1981 Specifications for chemicals used in schools
- BS EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Chemical methods
- BS 6068-2.34:1988 Water quality - Physical, chemical and biochemical methods - Method for the determination of the chemical oxygen demand
- BS 6068 Sec.2.34:1988 Water quality. Physical, chemical and biochemical methods. Method for the determination of the chemical oxygen demand
International Organization for Standardization (ISO), ac chemistry
- ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples
- ISO 4044:2017 Leather - Chemical tests - Preparation of chemical test samples
- ISO/TR 18394:2016 Surface chemical analysis - Auger electron spectroscopy - Derivation of chemical information
- ISO 4044:2008 | IULTCS/IUC 3 Leather — Chemical tests — Preparation of chemical test samples
- ISO 4044:2017 | IULTCS/IUC 3 Leather — Chemical tests — Preparation of chemical test samples
- ISO 12206:1995 Photography - Methods for the evaluation of the effectiveness of chemical conversion of silver images against oxidation
- ISO 78-2:1999 Chemistry - Layouts for standards - Part 2: Methods of chemical analysis
- ISO/R 78:1969 Guide on the form for standards for chemical products and for methods of chemical analysis
- ISO 20137:2017 | IULTCS/IUC 36 Leather — Chemical tests — Guidelines for testing critical chemicals in leather
- ISO 20137:2023 Leather — Chemical tests — Guidelines for testing critical chemicals in leather
American Society for Testing and Materials (ASTM), ac chemistry
- ASTM C791-04 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
- ASTM C791-11 Standard Test Methods for Chemical, Mass Spectrometric, and Spectrochemical Analysis of Nuclear-Grade Boron Carbide
- ASTM C761-18 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
- ASTM C761-04 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
- ASTM C761-04e1 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
- ASTM C761-11 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Uranium Hexafluoride
- ASTM C758-04(2010) Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal
- ASTM C758-18 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal
Professional Standard - Aerospace, ac chemistry
- QJ/Z 65-1979 Stainless steel chemical pickling and chemical passivation production instructions
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ac chemistry
YU-JUS, ac chemistry
CO-ICONTEC, ac chemistry
Professional Standard - Chemical Industry, ac chemistry
Institute of Interconnecting and Packaging Electronic Circuits (IPC), ac chemistry
Professional Standard - Agriculture, ac chemistry
US-FCR, ac chemistry
RU-GOST R, ac chemistry
- GOST ISO 4044-2014 Leather. Chemical tests. Preparation of chemical test samples
- GOST 13917-1992 Optical materials. Methods for determination of chemical stability. Groups of chemical stability
- GOST R 54514-2011 Classification of chemicals hazardous due to their physical and chemical properties. Method of determining of ability of chemicals to the oxidative self-heating
- GOST R 54514-2011(2019) Classification of chemicals hazardous due to their physical and chemical properties. Method of determining of ability of chemicals to the oxidative self-heating
- GOST R 54511-2011 Classification of chemicals hazardous due to their physical and chemical properties. Method of determining the corrosive properties of chemicals
- GOST R 54511-2011(2019) Classification of chemicals hazardous due to their physical and chemical properties. Method of determining the corrosive properties of chemicals
- GOST R 53855-2010 Classification of chemicals which hazard is caused by physical and chemical properties. Test methods of explosive chemicals
Institute of Electrical and Electronics Engineers (IEEE), ac chemistry
United States Navy, ac chemistry
CZ-CSN, ac chemistry
Professional Standard - Machinery, ac chemistry
SAE - SAE International, ac chemistry
GB-REG, ac chemistry
Society of Automotive Engineers (SAE), ac chemistry
SSPC - The Society for Protective Coatings, ac chemistry
CN-STDBOOK, ac chemistry
国家市场监督管理总局、中国国家标准化管理委员会, ac chemistry
- GB/T 40640.5-2021 Informationalized management of chemicals—Part 5: Chemicals data center
- GB/T 40640.4-2021 Informationalized management of chemicals—Part 4: General specification for chemicals positioning system
- GB/T 15901-2021 Chemical reagent—Copper(Ⅱ) chloride dihydrate
ZA-SANS, ac chemistry
- SANS 904:2010 Leather - Chemical tests - Preparation of chemical test samples
Indonesia Standards, ac chemistry
Danish Standards Foundation, ac chemistry
- DS/EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples
- DS/ISO 78-2:2004 Chemistry - Layouts for standards - Part 2: Methods of chemical analysis
- DS/EN 1744-1+A1:2013 Tests for chemical properties of aggregates - Part 1: Chemical analysis
- DS/EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
KR-KS, ac chemistry
ES-UNE, ac chemistry
- UNE-EN ISO 4044:2018 Leather - Chemical tests - Preparation of chemical test samples (ISO 4044:2017)
- UNE-EN ISO 20137:2018 Leather - Chemical tests - Guidelines for testing critical chemicals in leather (ISO 20137:2017)
- ISO/FDIS 20137:2023 Leather — Chemical tests — Guidelines for testing critical chemicals in leather
SE-SIS, ac chemistry
CH-SNV, ac chemistry
TH-TISI, ac chemistry
Association of German Mechanical Engineers, ac chemistry
Military Standard of the People's Republic of China-General Armament Department, ac chemistry
NO-SN, ac chemistry
- NS 3420-K-2011/AC-2012 Corrigendum AC - Specification texts for building, construction and installations - Part K: Landscaping works
Sichuan Provincial Standard of the People's Republic of China, ac chemistry
- DB51/T 1567-2013 Technical requirements for chemical models used in middle school teaching
Lithuanian Standards Office , ac chemistry
AENOR, ac chemistry
- UNE-ISO 78-2:2014 Chemistry -- Layouts for standards -- Part 2: Methods of chemical analysis
- UNE-EN 1744-1:2010+A1:2013 Tests for chemical properties of aggregates - Part 1: Chemical analysis
- UNE-EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
- UNE 77403:1992 ECOTOXICOLOGY. PHYSICAL AND CHEMICAL PROPERTIES. MELTING POINT. MELTING RANGE.
- UNE-EN ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples (ISO 4044:2008)
Professional Standard - Aviation, ac chemistry
- HB/Z 5110-1978 Electrochemical degreasing and chemical degreasing solution analysis method
- HB/Z 5078-1978 Chemical Oxidation Process of Magnesium Alloy
- HB/Z 5079-1996 Chemical Oxidation Process of Iron and Steel Parts
未注明发布机构, ac chemistry
Professional Standard - Environmental Protection, ac chemistry
- HJ 1257-2022 Chemical Substance Environmental Management Chemical Substance Testing Terminology
International Electrotechnical Commission (IEC), ac chemistry
- IEC 60050-111-2:1984 International Electrotechnical Vocabulary. Part 111 : Physics and chemistry. Section 111-02 - Electrochemical concepts
Professional Standard - Petrochemical Industry, ac chemistry
Professional Standard - Light Industry, ac chemistry
The American Road & Transportation Builders Association, ac chemistry
U.S. Environmental Protection Agency (U.S. EPA), ac chemistry
National Association of Corrosion Engineers (NACE), ac chemistry
American Concrete Institute, ac chemistry
GM Europe, ac chemistry
ACI - American Concrete Institute, ac chemistry
轻工业部, ac chemistry
工业和信息化部, ac chemistry
IPC - Association Connecting Electronics Industries, ac chemistry
- IPC 4556-2013 Specification for Electroless Nickel/Electroless Palladium/ Immersion Gold (ENEPIG) Plating for Printed Circuit Boards
- IPC 4556 AMD 1-2016 Specification for Electroless Nickel/Electroless Palladium/ Immersion Gold (ENEPIG) Plating for Printed Circuit Boards
- IPC 4556 CD-2013 Specification for Electroless Nickel/Electroless Palladium/Immersion Gold (ENEPIG) Plating for Printed Circuit Boards
PT-IPQ, ac chemistry
- NP 104-2-1988 Chemistry Layouts for standards Part 2: Standard for chemical analysis
ES-AENOR, ac chemistry
Standard Association of Australia (SAA), ac chemistry
- AS 2612:1997 Aluminium and aluminium alloys - Sampling for chemical and spectrochemical analysis
- AS 2534:1997 Lead and lead alloys - Sampling for chemical and spectrochemical analysis
GOSTR, ac chemistry
American National Standards Institute (ANSI), ac chemistry
AR-IRAM, ac chemistry
Professional Standard - Electron, ac chemistry
Canadian General Standards Board (CGSB), ac chemistry
国务院稀土领导小组, ac chemistry
Shanghai Provincial Standard of the People's Republic of China, ac chemistry
- DB31/T 1250-2020 Hazardous chemical safety information supervision technical specification Hazardous chemical coding