GB/T 9288-1998
Replaced
DB50/T 691-2016
Active
Chongqing CityLocal standards
DB50/T 691-2016 Red coral identification technical specifications
DB50/T 691-2016 Red coral identification technical specifications
Price:
$ 30
Basic Information
Standard Code:
DB50/T 691-2016
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2016-09-05
Implement Date:
2016-10-15
Scope
This standard is applicable to the identification of red coral raw stones and 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