This standard specifies the requirements, sampling, test methods, inspection rules, marking, 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 3703-2009 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products*, 2013-09-06 Update
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products*, 2014-07-24 Update
GB/T 1250-1989 Rules for expression and judgement of limiting values
GB/T 21876-2008 Solvent dyes and intermediate of dyes.Determination of ash content