GB/T 9288-1998
Replaced
GB/T 42645-2023
Active
National standards
GB/T 42645-2023 Gems testing—Ultraviolet-visible absorbtion spectroscopy
GB/T 42645-2023 Gems testing—Ultraviolet-visible absorbtion spectroscopy
Price:
$ 135
Basic Information
Standard Code:
GB/T 42645-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2023-05-23
Implement Date:
2023-12-01
Pages:
67 pages
Scope
This document describes the methodological principles, instrumentation, samples, testing procedures, spectral analysis, and result presentation for identifying jewelry and gemstones using ultraviolet-visible absorption spectroscopy.
This document is suitable for identifying jewelry and gemstones with characteristic absorption using ultraviolet-visible absorption spectroscopy.
Development Information
Referenced Standards
GB/T 8322-1987 Molecular absorption spectrometry—Terminology
GB/T 8322-2008 Molecular absorption spectrometry—Terminology
GB/T 13966-1992 Analytical instrument—Vocabulary
GB/T 13966-2013 Terminology for analytical instruments
GB/T 16552-2003 Gems—Nomenclature
GB/T 16552-2010 Gems—Nomenclature
GB/T 16552-2017 Gems—Nomenclature
GB/T 16553-2003 Gems—Testing
GB/T 16553-2010 Gems—Testing
GB/T 16553-2017 Gems—Testing
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