GB/T 40231-2021
Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method

Standard No.

GB/T 40231-2021

Language

Chinese

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 40231-2021

Scope

This standard specifies the ion chromatography determination method for hexavalent chromium in electrical and electronic products. This standard applies to the determination of hexavalent chromium content in polymer materials for electrical and electronic products.

GB/T 40231-2021 Referenced Document

• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 40231-2021 history

• 2021 GB/T 40231-2021 Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method