GB/T 39689-2020
Surface active agents—Determination of free formaldehyde (English Version)

Standard No.

GB/T 39689-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 39689-2020

Scope

This standard defines the principles and requirements for the determination of free formaldehyde content in surfactants, and specifies the chromatographic network of standard products given by spectrophotometer and liquid chromatography. This standard applies to the determination of free formaldehyde content in surfactants.

GB/T 39689-2020 Referenced Document

• GB/T 601 Chemical reagent.Preparations of reference titration solutions
• GB/T 6372 Surface active agents and detergents. Methods of sample division
• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 39689-2020 history

• 2020 GB/T 39689-2020 Surface active agents—Determination of free formaldehyde