Regulation on permissible errors for mass measurement of jewelry and precious metal product
1 Scope
This standard specifies the requirements, measurement methods and marking of permissible errors for mass measurement of jewelry and precious metal products.
This standard is applicable to the trade and mass inspection of jewelry and precious metal products.
This standard is applicable to single jewelry and precious metal product with mass less than or equal to 200.00 g. For the jewelry and precious metal products (with total mass less than or equal to 200.00 g) of the same kind that are settled in bulk, this standard may be used as a reference.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 26021 Gold bar
GB/T 30712 Provision of permissible errors for measurement of polished diamond mass
GB/T 31912 Adornment - Mark
JJG 1036 Electronic balance
QB/T 1690 Provision of permissible error for measurement of precious metal adornment mass
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 30712, GB/T 31912, JJG 1036 and the following apply.
3.1
jewelry and precious metal product
umbrella name of gem product and precious metal product, as well as product set with precious metal and gem
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Measurement method
6 Marking
Regulation on permissible errors for mass measurement of jewelry and precious metal product
1 Scope
This standard specifies the requirements, measurement methods and marking of permissible errors for mass measurement of jewelry and precious metal products.
This standard is applicable to the trade and mass inspection of jewelry and precious metal products.
This standard is applicable to single jewelry and precious metal product with mass less than or equal to 200.00 g. For the jewelry and precious metal products (with total mass less than or equal to 200.00 g) of the same kind that are settled in bulk, this standard may be used as a reference.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 26021 Gold bar
GB/T 30712 Provision of permissible errors for measurement of polished diamond mass
GB/T 31912 Adornment - Mark
JJG 1036 Electronic balance
QB/T 1690 Provision of permissible error for measurement of precious metal adornment mass
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 30712, GB/T 31912, JJG 1036 and the following apply.
3.1
jewelry and precious metal product
umbrella name of gem product and precious metal product, as well as product set with precious metal and gem
Contents of GB/T 36128-2018
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Measurement method
6 Marking
