GB/T 9288-1998
Replaced
DB44/T 481-2008
Active
Guangdong ProvinceLocal standards
DB44/T 481-2008 DB44/T 481-2008 South Pearl Bleaching Technical Specification
DB44/T 481-2008 DB44/T 481-2008 South Pearl Bleaching Technical Specification
Basic Information
Standard Code:
DB44/T 481-2008
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Marine aquaculture and its products
ICS Name:
Jewelry
Publish Date:
2008-02-04
Implement Date:
2008-05-04
Pages:
4 pages
Scope
This standard specifies the definitions, reagents, and process procedures for the bleaching process of South Sea pearls. This standard applies to the bleaching process in the processing of South Sea pearls.
Development Information
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