GB/T 9288-1998
Replaced
DB34/T 2041-2014
Active
Anhui ProvinceLocal standards
DB34/T 2041-2014 DB34/T 2041-2014 Turquoise Identification and Grading。
DB34/T 2041-2014 DB34/T 2041-2014 Turquoise Identification and Grading。
Price:
$ 30
Basic Information
Standard Code:
DB34/T 2041-2014
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2014-02-17
Implement Date:
2014-03-17
Pages:
16 pages
Scope
This standard specifies the terms and definitions of turquoise, its identification, optimization treatment, and characterization, grading, processing, and evaluation of raw stone shapes. This standard applies to activities such as turquoise identification, trade, and quality evaluation. The grading rules in this standard apply to natural turquoise. Uncolored optimized turquoise can be evaluated in accordance with this standard.
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