GB/T 31531-2025 Active National standards

GB/T 31531-2025 Determination of quinoline and isoquinoline in dyestuffs and textile dyeing and finishing auxiliaries

GB/T 31531-2025 Determination of quinoline and isoquinoline in dyestuffs and textile dyeing and finishing auxiliaries

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31531-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for dyes

ICS Name: Comprehensive Chemical Products

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 12 pages

Scope

This document describes the method for determining the content of free quinoline and isoquinoline in dyes and textile dyeing and finishing auxiliaries.
This document is applicable to the determination of the content of free quinoline and isoquinoline in various dosage forms of dyes, dye products, and textile dyeing and finishing auxiliaries.

Development Information

Word Count: 12 Thousand words Pages: 12 pages

Replace the following standards

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

Referenced Standards

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 9722-2023 Chemical reagent—General rules for the gas chromatography

Related Standards

GB/T 4840.1-1999 Replaced

GB/T 4840.1-1999 p-Nitroaniline

Publish Date: 1999-06-08

GB/T 4840.2-1999 Replaced

GB/T 4840.2-1999 o-Nitroaniline

Publish Date: 1999-06-08

GB/T 4840.3-1999 Replaced

GB/T 4840.3-1999 m-Nitroaniline

Publish Date: 1999-06-08

GB 16483-2000 Replaced

GB 16483-2000 General rules for preparation of chemical safety data sheet

Publish Date: 2000-01-05

GB/T 6678-2003 Active

GB/T 6678-2003 General principles for sampling chemical products

Publish Date: 2003-10-11

GB/T 6679-2003 Active

GB/T 6679-2003 General rules for sampling solid chemical products

Publish Date: 2003-10-11