GB/T 9288-1998
Replaced
GB/T 42437-2023
Active
National standards
GB/T 42437-2023 Nanhong—Testing
GB/T 42437-2023 Nanhong—Testing
Basic Information
Standard Code:
GB/T 42437-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2023-05-23
Implement Date:
2023-12-01
Pages:
13 pages
Scope
This document specifies the definition of Nanhong, appraisal items, appraisal characteristics, appraisal methods, optimization processing methods and their appraisal, as well as naming rules and representation methods. This document is applicable to the appraisal of Nanhong products and raw materials.
Development Information
Referenced Standards
GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation
GB 11887-2002 Jewellery—Fineness of precious metal alloys and designation
GB 11887-2008 Jewellery—Fineness of precious metal alloys and designation
GB 11887-2012 Jewellery—Fineness of precious metal alloys and designation
GB/T 16552-2003 Gems—Nomenclature
GB/T 16552-2010 Gems—Nomenclature
GB/T 16552-2017 Gems—Nomenclature
GB/T 16553-2003 Gems—Testing
GB/T 16553-2010 Gems—Testing
GB/T 16553-2017 Gems—Testing
GB/T 31912-2015 Adornment—Mark
GB/T 33541-2017 Qualified judgement criteria of sampling inspectionfor gems and precious metal products
Related Standards
GB/T 17832-1999
Replaced
GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
GB/T 11887-2000
Replaced
GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation
GB/T 18043-2000
Replaced
GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
GB/T 18303-2001
Replaced
GB/T 18303-2001 Color grading of polished diamond by visual matching
GB/T 11886-2001
Replaced