GB/T 38821-2020 Active National standards

GB/T 38821-2020 Hetian Yu—Testing and classification

GB/T 38821-2020 Hetian Yu—Testing and classification

Publish Date: 2020-06-02 Implement Date: 2020-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 38821-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Other non-metallic minerals

ICS Name: Jewelry

Publish Date: 2020-06-02

Implement Date: 2020-12-01

Pages: 11 pages

Scope

This standard specifies the terms and definitions, identification, classification, naming rules, and basic contents of appraisal certificates for Hetian jade.
This standard is applicable to the identification and classification of Hetian jade raw materials and finished products.

Development Information

Word Count: 20 Thousand words Pages: 11 pages

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

Related Standards

GB/T 9288-1998 Replaced

GB/T 9288-1998 Analyse method of gold content in jewellery

Publish Date: 1998-03-25

GB/T 17832-1999 Replaced

GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide

Publish Date: 1999-08-12

GB/T 11887-2000 Replaced

GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation

Publish Date: 2000-04-05

GB/T 18043-2000 Replaced

GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry

Publish Date: 2000-04-05

GB/T 18303-2001 Replaced

GB/T 18303-2001 Color grading of polished diamond by visual matching

Publish Date: 2001-01-21

GB/T 11886-2001 Replaced

GB/T 11886-2001 Chemical analysis—Method of silver content in jewellery

Publish Date: 2001-07-20