HG/T 4409-2012
PP acid(4,4′-Diaminodiphenylamine-2-sulfonic acid) (English Version)
- Standard No.
- HG/T 4409-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 4409-2012
- Scope
- This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of PP acid (4,4′-diamino-diphenylamine-2-sulfonic acid). This standard applies to the quality control of PP acid products.
HG/T 4409-2012 Referenced Document
- GB/T 2381-2006 Dyestuffs and intermediate of dyestuffs.Determination of content insoluble matters
- GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
- GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
- 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
HG/T 4409-2012 history
- 2012 HG/T 4409-2012 PP acid(4,4′-Diaminodiphenylamine-2-sulfonic acid)
