GB/T 9288-1998
Replaced
DB51/T 2499-2018
Active
Sichuan ProvinceLocal standards
DB51/T 2499-2018 Filling treatment of monocrystalline gemstone naming and qualification determination
DB51/T 2499-2018 Filling treatment of monocrystalline gemstone naming and qualification determination
Price:
$ 30
Basic Information
Standard Code:
DB51/T 2499-2018
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Decorative arts and crafts
ICS Name:
Jewelry
Publish Date:
2018-05-14
Implement Date:
2018-06-01
Pages:
12 pages
Scope
This standard specifies the definition and classification of single-crystal gemstones, the identification characteristics and methods of filling treatment, the grading of filling treatment levels, and the naming and qualification determination principles. This standard applies to natural and filled single-crystal gemstone raw materials and finished products (except for filled tourmaline).
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