QB/T 1690-2004
Provision of permissible errors for measurement of precious metals adornment mass (English Version)

Standard No.

QB/T 1690-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Light Industry

Status

Be replaced 2022-04

Replace By

QB/T 1690-2021

Latest

QB/T 1690-2021

Scope

This standard specifies the technical requirements, test methods and markings for quality measurement tolerances of gold, silver, platinum and palladium jewelry and materials. This standard applies to the trade of gold, silver, platinum and palladium jewelry and materials settled by quality.

QB/T 1690-2004 history

• 2021 QB/T 1690-2021 Regulations on tolerances for quality measurement of precious metal jewelry
• 2004 QB/T 1690-2004 Provision of permissible errors for measurement of precious metals adornment mass
• 1993 QB/T 1690-1993 Regulations on Tolerances for Weight Measurement of Gold and Silver Jewelry