GB/T 9288-1998
Replaced
DB12/T 501-2013
Active
Tianjin CityLocal standards
DB12/T 501-2013 The evaluation of jadeite quality
DB12/T 501-2013 The evaluation of jadeite quality
Price:
$ 30
Basic Information
Standard Code:
DB12/T 501-2013
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2013-12-03
Implement Date:
2014-03-03
Pages:
14 pages
Scope
This standard specifies the terms and definitions, evaluation methods, score weighting structure, color evaluation, transparency evaluation, clarity evaluation, texture evaluation, craft evaluation, comprehensive impression evaluation, comprehensive grade evaluation, evaluation conditions, and basic content requirements of evaluation certificates for the quality assessment of jade jewelry. This standard applies to the quality assessment of unmounted and mounted natural jade jewelry.
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