GB/T 9288-1998
Replaced
T/CAQI 81-2019
Active
Group standards
T/CAQI 81-2019 The classification of cultured pearls with freshwater nucleus
T/CAQI 81-2019 The classification of cultured pearls with freshwater nucleus
Price:
$ 20.00
Basic Information
Standard Code:
T/CAQI 81-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Freshwater aquaculture and its products
ICS Name:
Jewelry
Publish Date:
2019-07-03
Implement Date:
2019-10-01
Scope
Main technical content: the grading of various quality elements of freshwater nucleated cultured pearls, the grading of freshwater nucleated cultured pearls and jewelry, personnel requirements, measurement methods of quality elements, the basic content of grading reports or certificates, and labeling.
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