HG/T 4312-2012Sodium chromate for industrial use (English PDF)
工业铬酸钠
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2012
Implementation date
March 1, 2013
Scope
HG/T 4312-2012 is the English-translated version of 工业铬酸钠.
HG/T 4312-2012 is the recommended chemical industry standard for sodium chromate of industrial grade. It sets the requirements for the product and the test methods, inspection rules, marking and labelling, packaging, transport, storage and safety provisions that go with it. The material covered is sodium chromate used mainly in making metal corrosion inhibitors and chromate pigments. Packaging marks, sampling, reagent water and the rounding of results follow GB 190-2009, GB/T 191-2008, GB/T 6678, GB/T 6682-2008 and GB/T 8170, while the analytical work draws on HG/T 3696.1, HG/T 3696.2 and HG/T 3696.3. Issued on 7 November 2012, it has applied since 1 March 2013.
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Document preview — HG/T 4312-2012
National Standard of the People's Republic of China
- ICS
- 71.060.50
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4312-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 190-2009
GB/T 191-2008
GB/T 6678
GB/T 6682-2008
GB/T 8170
HG/T 3696.1
HG/T 3696.2
HG/T 3696.3
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191-2008Graphical symbols marking for handling and storage of packages
- GB/T 6678General principles for sampling chemical products
- GB/T 6682-2008Water for analytical laboratory use - Specification and test methods
- GB/T 8170Rules of rounding off for numerical values & expression and judgement of limiting values
- HG/T 3696.1Inorganic chemical products - Preparation of standard solutions, reagent solutions and products for chemical analysis - Part 1: Preparation of standard volumetric solutions
- HG/T 3696.2Inorganic chemical products - Preparation of standard solutions, reagent solutions and products for chemical analysis - Part 2: Preparation of impurity standard solutions
GB 190-2009
Similar standards
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Related Standards
GB/T 6678-2003 — General principles for sampling chemical products
GB/T 6682-2008 — Water for analytical laboratory use - Specification and test methods
GB/T 8170-2008 — Rules of rounding off for numerical values & expression and judgement of limiting values
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