GB/T 9288-2019 Active National standards

GB/T 9288-2019 Gold jewellery alloys—Determination of gold—Cupellation method(fire assay)

Publish Date: 2019-10-18 Implement Date: 2020-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 9288-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Decorative arts and crafts

ICS Name: Jewelry

Publish Date: 2019-10-18

Implement Date: 2020-05-01

Pages: 11 pages

Scope

This standard specifies the method for determining the gold content in gold alloy jewelry and related products using the cupellation method (fire assay).
This standard is applicable to the determination of gold content in various gold alloy jewelry and related products (excluding components such as platinum and rhodium that are insoluble in nitric acid) with a gold content ranging from 333.0‰ to 999.5‰.
This standard is designated by GB 11887 as the arbitration method for analyzing the gold content in gold alloy jewelry and related products.