GB/T 9288-1998
Replaced
T/JSGA 001-2020
Active
Group standards
T/JSGA 001-2020 The determination of cyanide in electroplated gold products by ion chromatography
T/JSGA 001-2020 The determination of cyanide in electroplated gold products by ion chromatography
Price:
$ 20.00
Basic Information
Standard Code:
T/JSGA 001-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nCanned food
ICS Name:
Jewelry
Publish Date:
2020-01-22
Implement Date:
2020-02-22
Scope
Main technical content: This standard mainly uses ion chromatography to detect the content of cyanide in electroform gold products. This standard is applicable to the determination of cyanide content in electroform gold products with a content of not less than 0.5 μg/g. The main technical content of this standard includes: sample preparation, sample solution preparation, cyanide extraction, preparation of calibration solutions, construction of calibration curves, sample testing, calculation and expression of results, and precision, etc.
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