GB/T 35940-2018

Active

Seawater cultured pearl oysters and classification of pearls

海水育珠品种及其珍珠分类

Standard Type
GBT
ICS
67.120.30
CCS
B51
Status
Active
Issue Date
2018-02-06
Implementation
2018-09-01
Centralized Committee
农业农村部
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

GB/T 35940-2018 defines the classification criteria for seawater-cultured pearl oysters and the resulting pearls, specifying species identification, grading parameters, and quality standards. It is applied in the pearl aquaculture industry, particularly for harvesting, processing, and trading of marine pearls from species like Pinctada martensii. The standard ensures consistency in pearl valuation and traceability for commercial transactions and quality control in jewelry production.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.