HG/T 4012-2008Chemical reagent - Bromothymol blue (English PDF)
化学试剂 溴百里香酚蓝[合订本 HG/T4010～4021-2008]
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 23, 2008
Implementation date
October 1, 2008
Scope
HG/T 4012-2008 is the English-translated version of 化学试剂 溴百里香酚蓝[合订本 HG/T4010～4021-2008].
Bromothymol blue in reagent quality is covered by HG/T 4012-2008, a recommended standard of the Chinese chemical industry.
It fixes the properties and the specifications of the product and lays down the test methods, the inspection rules and the requirements for marking and packaging, its scope being the examination of bromothymol blue supplied as a chemical reagent.
Chinese classification G65 places it in the reagents group. The determinations rest on GB/T 6682 and on GB/T 9721-2006 and GB/T 9741-2008, while GB 15346, HG/T 3921 and HG/T 4015 are cited as well.
It replaces GB/T 15352-1994. Issued on 23 April 2008, it has applied since 1 October 2008.
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Document preview — HG/T 4012-2008
National Standard of the People's Republic of China
- ICS
- 71.040.30
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4012-2008 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 6682
GB/T 9721-2006
GB/T 9741-2008
GB 15346
HG/T 3921
HG/T 4015
......
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 6682Water for analytical laboratory use - Specification and test methods
- GB/T 9721-2006Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
- GB 15346Chemical reagents - Packaging and marking
- HG/T 3921Chemical reagent - Rules for sampling and acceptance
- HG/T 4015Chemical reagent - General method for the determination of pH transition ranges of acid-base indicators
GB/T 9741-2008
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Related Standards
GB 15346-2012 — Chemical reagents - Packaging and marking
GB/T 6682-2008 — Water for analytical laboratory use - Specification and test methods
GB/T 9721-2006 — Chemical reagent - General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
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