GB/T 9288-1998
Replaced
DB44/T 650-2009
Active
Guangdong ProvinceLocal standards
DB44/T 650-2009 South Pearl Dyeing Techniques Specification
DB44/T 650-2009 South Pearl Dyeing Techniques Specification
Price:
$ 30
Basic Information
Standard Code:
DB44/T 650-2009
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Marine aquaculture and its products
ICS Name:
Jewelry
Publish Date:
2009-08-06
Implement Date:
2009-12-01
Pages:
4 pages
Scope
This standard specifies the definition of dyeing for South Sea pearls, reagents, the preparation of dyeing solutions, dyeing conditions, and dyeing processes. This standard is applicable to the dyeing of South Sea pearls.
Development Information
Related Standards
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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