QB/T 1134-2017
Spectroscopic method for determination of thickness of silver coating in jewelry (English Version)

Standard No.

QB/T 1134-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

工业和信息化部

Latest

QB/T 1134-2017

Replace

QB/T 1134-1991

QB/T 1134-2017 history

• 2017 QB/T 1134-2017 Spectroscopic method for determination of thickness of silver coating in jewelry
• 1991 QB/T 1134-1991 Method for determination of thickness of silver coating on jewelry by chemical method