GB/T 28019-2011
Adornment.Determination of Chromium (Ⅵ).1,5-Diphenylcarbohydrazide spectrophotometric method (English Version)

Standard No.

GB/T 28019-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

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

Latest

GB/T 28019-2011

Scope

This standard specifies the method for the spectrophotometric determination of hexavalent chromium in jewelry by diphenylcarbazide. This standard applies to the determination of hexavalent chromium in jewelry.

GB/T 28019-2011 history

• 2011 GB/T 28019-2011 Adornment.Determination of Chromium (Ⅵ).1,5-Diphenylcarbohydrazide spectrophotometric method