GB 11887-2012 (English Version)

Standard No.: GB 11887-2012
Language: Chinese, Available in English version
Release Date: 2012
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 11887-2012
Replace: GB 11887-2008

Scope: This standard specifies the purity range of precious metals in jewelry, imprints, determination methods and naming methods of precious metal jewelry. This standard is applicable to the jewelry industry and domestic production and sales of precious metal jewelry and precious metal ornaments.

GB 11887-2012 Referenced Document

GB 28480 Adornment.Provision for limit of baneful elements
GB/T 16552 Gems—Nomenclature*， 2017-10-14 Update
GB/T 16553 Gems—Testing*， 2017-10-14 Update
GB/T 16554 Diamond grading*， 2017-10-14 Update
GB/T 17832 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide*， 2021-10-11 Update
GB/T 18781 pearl grading*， 2023-05-23 Update
GB/T 19720 Jewelry and precious metals. Determination of platinum and palladium content. Ammonium chloride gravimetric method and diacetyl oxime gravimetric method.*， 2024-03-15 Update
GB/T 21198.6 Determination of precious metals in precious metals jewellery alloys-Method using ICP spectrometry-Part 6:Difference method
GB/T 23885 Jadeite grading
GB/T 9288 Gold jewellery alloys—Determination of gold—Cupellation method (fire assay)*， 2019-10-18 Update
QB/T 1689 Precious metal jewelry terminology*， 2021-12-02 Update

2012 GB 11887-2012 Jewellery.Fineness of precious metal alloys and designation
2008 GB 11887-2008 Jewellery.Fineness of precious metal alloys and designation
2002 GB 11887-2002 Jewellery--Fineness of precious metal alloys and designation (eqv ISO 9202:1991 Jewellery--Fineness of precious metal alloys)
2000 GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation