QB/T 1133-2017
Spectroscopic method for determination of gold coating thickness in jewelry (English Version)

Standard No.

QB/T 1133-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Professional Standard - Light Industry

Latest

QB/T 1133-2017

Replace

QB/T 1133-1991

QB/T 1133-2017 history

• 2017 QB/T 1133-2017 Spectroscopic method for determination of gold coating thickness in jewelry
• 1991 QB/T 1133-1991 Method for determination of thickness of gold coating on jewelry by chemical method