GB/T 21895-2008 (English Version) PDF

Standard No.: GB/T 21895-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2015-12
Replace By: GB/T 21895-2015
Latest: GB/T 21895-2015

Scope: This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of p-(β-hydroxyethylsulfone sulfate) aniline (para ester). This standard applies to the quality control of p-(β-hydroxyethylsulfone sulfate) aniline, which is mainly used for the synthesis of EF, KN, M/KM, ME and other vinylsulfone-containing reactive dyes. Structural formula: Molecular formula: C₈H₁₁NO₆S₂ Relative molecular mass: 281.31 (according to the international relative atomic mass in 2005)

GB/T 21895-2008 Referenced Document

GB 19601 Limit and determination of 23 harmful aromatic amines in dye products*， 2013-09-06 Update
GB/T 1250-1989 Rules for expression and judgement of limiting values
GB/T 2381-2006 Dyestuffs and intermediate of dyestuffs.Determination of content insoluble matters
GB/T 2383-2003 Dyes--Determination of fineness by sieve analysis
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods