GB/T 9288-1998
Replaced
GB/T 35940-2018
Active
National standards
GB/T 35940-2018 Seawater cultured pearl oysters and classification of pearls
GB/T 35940-2018 Seawater cultured pearl oysters and classification of pearls
Basic Information
Standard Code:
GB/T 35940-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Marine aquaculture and its products
ICS Name:
Jewelry
Publish Date:
2018-02-06
Implement Date:
2018-09-01
Pages:
6 pages
Scope
This standard specifies the terms and definitions of marine cultured pearl shells and their pearls, the varieties of marine cultured pearl shells, the classification of marine pearls, and the naming rules for marine pearls. This standard is applicable to the identification of marine cultured pearl shells and the classification and naming of marine pearls.
Development Information
Referenced Standards
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 18781-2002 Cultured pearl grading
GB/T 18781-2008 Cultured pearl grading
GB/T 18781-2023 Cultured pearl grading
SC/T 2071-2014 Purpura shell Venus。
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