HG/T 4431-2012Acid Blue N-2R (C.I. Acid Blue 225) (English PDF)
酸性蓝N-2R(C.I.酸性蓝225)
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 28, 2012
Implementation date
June 1, 2013
Scope
HG/T 4431-2012 is the English-translated version of 酸性蓝N-2R(C.I.酸性蓝225).
HG/T 4431-2012 is the recommended Chinese chemical industry standard for the acid dye sold as Acid Blue N-2R, listed in the Colour Index as C.I. Acid Blue 225. It is classified under G57 in the Chinese system and under ICS 71.100.01 and 87.060.10, the headings used for dyestuffs and colorants. The document belongs to the family of product standards for synthetic dyes, which set the requirements for a dye and the methods by which they are checked. Its test clauses cite GB/T 2374-2007, GB/T 2378-2003, GB/T 2381-2006, GB/T 2386-2006, GB/T 3671.1-1996, GB/T 3920-2008, GB/T 3921-2008, GB/T 3922-1995, GB/T 4841.1-2006, GB/T 6693-2009, GB/T 8427-2008, GB 19601 and GB 20814. Issued on 28 December 2012, it has applied since 1 June 2013.
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Document preview — HG/T 4431-2012
National Standard of the People's Republic of China
- ICS
- 71.100.01
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4431-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 2374-2007
GB/T 2378-2003
GB/T 2381-2006
GB/T 2386-2006
GB/T 3671.1-1996
GB/T 3920-2008
GB/T 3921-2008
GB/T 3922-1995
GB/T 4841.1-2006
GB/T 5713-1997
GB/T 6152-1997
GB/T 6678-2003
GB/T 6693-2009
GB/T 8427-2008
GB 19601
GB 20814
......
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 2374-2007Dyestuffs - General rules for the dyeing test
- GB/T 2378-2003Acid dyes — Determination of shade and relative strength
- GB/T 2381-2006Dyestuffs and intermediate of dyestuffs - Determination of content of insoluble matters
- GB/T 2386-2006Dyestuffs and intermediate of dyes—Determination of moisture content
- GB/T 3920-2008Textiles - Tests for colour fastness - Colour fastness to rubbing
- GB/T 3921-2008Textiles - Tests for Colour Fastness - Colour Fastness to Washing with Soap or Soap and Soda
GB/T 3671.1-1996 · GB/T 3922-1995 · GB/T 5713-1997 · GB/T 6152-1997 · GB/T 6693-2009
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Related Standards
GB 19601-2013 — Limit and determination of 23 harmful aromatic amines in dye products
GB 20814-2014 — Limit and determination of the quantity of heavy-metal elements in dye products
GB/T 3921-2008 — Textiles - Tests for Colour Fastness - Colour Fastness to Washing with Soap or Soap and Soda
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HG/T 4431-2012
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