QB/T 1134-1991
Method for determination of thickness of silver coating on jewelry by chemical method (English Version)

Standard No.

QB/T 1134-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Light Industry

Status

Be replaced 2017-07

Replace By

QB/T 1134-2017

Latest

QB/T 1134-2017

Scope

This standard specifies the chemical determination method for the thickness of the silver coating on jewelry. This standard is applicable to the determination of the thickness of the silver covering layer of jewelry (except when the matrix is silver) above 1 μm.

QB/T 1134-1991 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