This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of optical brightener OB-1 (CI optical brightener 393) products. This standard applies to product quality control of optical brightener OB-1.
HG/T 3703-2016 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products
GB/T 21876 Solvent dyes and intermediate of dyes.Determination of ash content
GB/T 2386-2014 Dyestuffs and intermediate of dyes.Determination of moisture content
GB/T 24101 Limit and determination of 4-aminoazobenzene in dye products*， 2018-12-28 Update
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6682 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