1 Scope
This standard specifies the terms and definitions, requirements, inspection methods and markings of silver coating thickness of jewelry products.
This standard is applicable to non-silver-based jewelry products.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard, however parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
QB/T 1134 Jewelry - Method for determination of silver coating thickness - Chemical method
QB/T 1135 Jewelry - Measurement of gold and silver coating thickness - X-ray fluorescence spectrometric methods
3 Terms and definitions
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Inspection methods
6 Marking