GB/T 31531-2015
Determination of quinoline in dyestuffs and textile dyeing and finishing auxiliaries (English Version)

Standard No.

GB/T 31531-2015

Language

Chinese, Available in English version

Release Date

2015

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 31531-2015

Scope

This standard specifies the method for the determination of free quinoline content in dyes and textile dyeing and finishing auxiliaries. This standard applies to various dosage forms of dyes, dye products, and textile dyeing and finishing auxiliaries. Molecular formula: C₉H₇N Relative molecular mass: 129.16 (according to the international relative atomic mass in 2009) CAS RN: 91-22-5

GB/T 31531-2015 Referenced Document

• GB/T 6682-2008 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
• GB/T 9722-2006 Chemical reagent.General rules for the gas chromatography

GB/T 31531-2015 history

• 2015 GB/T 31531-2015 Determination of quinoline in dyestuffs and textile dyeing and finishing auxiliaries