YS/T 372.21-2006
Methods for elementary analysis of precious alloy. Determination of zirconium content. EDTA complexometric titration (English Version)

Standard No.

YS/T 372.21-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 372.21-2006

Replace

YS/T 372.7-1994

Scope

This standard specifies the method for determination of zirconium content in gold alloys. This standard is applicable to the determination of zirconium content in AuZr and AuAgZr alloys. Measuring range: 3% ~ 20%.

YS/T 372.21-2006 history

• 2006 YS/T 372.21-2006 Methods for elementary analysis of precious alloy. Determination of zirconium content. EDTA complexometric titration
• 1970 YS/T 372.7-1994 Methods for elementary analysis of precious alloy. Determination of cobalt content. EDTA complexometric titration

YS/T 372.21-2006 Methods for elementary analysis of precious alloy. Determination of zirconium content. EDTA complexometric titration has been changed from YS/T 372.7-1994 Methods for elementary analysis of precious alloy. Determination of cobalt content. EDTA complexometric titration.