This standard specifies the terms and definitions of precious metal adornments, materials and processes.
This standard is applicable to the precious metal adornment industry.
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.
GB 11887 Jewellery - Fineness of precious metal alloys and designation (ISO 9202: 1991, NEQ)