GB/T 25795-2020 (English Version) PDF

Scope: This standard specifies C. I. Reactive Blue 250 (Reactive Blue KNRGB) product requirements, sampling, test methods, inspection rules and marking, labeling, packaging, transportation and storage. This standard applies to C. I. Product quality control of Reactive Blue 250 (Reactive Blue KNRGB). Structural formula: Molecular formula: C27H23N5Na4O20S6 Relative molecular mass: 1021.84 (according to the 2019 international relative atomic mass) CAS number: 93951214

GB/T 25795-2020 Referenced Document

GB 19601 Limit and determination of 23 harmful aromatic amines in dye products
GB/T 14576-2009 Textiles.Tests for colour fastness.Colour fastness to light of textiles wetted with artificial perspiration
GB/T 2374-2017 Dyestuffs—General rules for dyeing test
GB/T 2381-2013 Dyestuffs and intermediate of dyestuffs.Determination of content of insoluble matters
GB/T 2386-2014 Dyestuffs and intermediate of dyes.Determination of moisture content
GB/T 2387-2013 Reactive dyes.Determination of shade and relative strength
GB/T 2390 Dyes.Determination of pH value
GB/T 2391-2014 Reactive dyes.Determination of degree of fixation
GB/T 24101 Limit and determination of 4-aminoazobenzene in dye products
GB/T 3671.1-1996 Determination of application solubility and solution stability of water-soluble dyes
GB/T 3920-2008 Textiles.Tests for colour fastness.Colour fastness to rubbing
GB/T 3921-2008 Textiles.Tests for colour fastness.Colour fastness to washing with soap or soap and soda
GB/T 3922-2013 Textiles.Tests for colour fastness.Colour fastness to perspiration
GB/T 4841.1-2006 Colour cards of standard depths for dyeing with dyestuffs 1/1
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6693-2009 Dyestuffs.Determination of the dusting behaviour
GB/T 8427-2019 Textiles－Tests for color fastness－Color fastness to artificial light：Xenon arc
GB/T 8433-2013 Textiles.Tests for colour fastness.Colour fastness to chlorinated water (swimming-pool water)