GB/T 9288-1998
Replaced
GB/T 28019-2011
Active
National standards
GB/T 28019-2011 Adornment—Determination of Chromium(Ⅵ)—1,5-Diphenylcarbohydrazide spectrophotometric method
GB/T 28019-2011 Adornment—Determination of Chromium(Ⅵ)—1,5-Diphenylcarbohydrazide spectrophotometric method
Basic Information
Standard Code:
GB/T 28019-2011
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Decorative arts and crafts
ICS Name:
Jewelry
Publish Date:
2011-10-31
Implement Date:
2012-02-01
Pages:
5 pages
Scope
This standard specifies the spectrophotometric determination method of bisphenol A for hexavalent chromium in jewelry.
This standard is applicable to the determination of hexavalent chromium in 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