GB/T 2386-2006
Dyestuffs and intermediate of dyes.Determination of moisture (English Version)

Standard No.

GB/T 2386-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

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

Status

Be replaced 2014-12

Replace By

GB/T 2386-2014

Latest

GB/T 2386-2014

Replace

GB/T 13753-1992 GB/T 2386-2003

Scope

This standard specifies the method for the determination of moisture in dyes and dye intermediates. This standard applies to the determination of moisture in various dyes and dye intermediates. Among them, the Karl Fischer method and the Karl Fischer modified method are suitable for the determination of trace moisture in dyes and dye intermediates, but are not applicable to those that can be combined with Karl Fischer. The main component of the Fischer reagent reacts and generates water samples and the determination of water in samples that can reduce iodine or oxidize iodide.

GB/T 2386-2006 history

• 2014 GB/T 2386-2014 Dyestuffs and intermediate of dyes.Determination of moisture content
• 2006 GB/T 2386-2006 Dyestuffs and intermediate of dyes.Determination of moisture
• 1980 GB/T 2386-1980 Method for determination of moisture in dyes and dye intermediates

GB/T 2386-2006 Dyestuffs and intermediate of dyes.Determination of moisture has been changed from GB/T 13753-1992 Dye intermediates general method for the determination of water--Narl Fisher method and improved Narl Fischer method.