GB/T 21198.5-2007
Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method (English Version)
- Standard No.
- GB/T 21198.5-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2020-05
- Replace By
- GB/T 38162-2019
- Latest
- GB/T 38162-2019
- Scope
- This part of GB/T 21198 specifies the method for determining the silver content by measuring the content of impurity elements in 999‰ silver alloy jewelry. This section applies to silver alloy jewelry with a silver content of 999‰.
GB/T 21198.5-2007 history
- 2019 GB/T 38162-2019 High content silver jewellery alloys—Determination of silver—Difference method using inductively coupled plasma optical emission spectroscopy
- 2007 GB/T 21198.5-2007 Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method
GB/T 21198.5-2007 Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method was changed to GB/T 38162-2019 High content silver jewellery alloys—Determination of silver—Difference method using inductively coupled plasma optical emission spectroscopy.
GB/T 21198.5-2007 -All Parts
GB/T 21198.1-2007 Determination of precious metals in precious metals jewellery alloys- Method using ICP spectrometry- Part 1: Platinum jewellery alloys- Determination of platinum-Method using a solution with yttrium as internal standard element
GB/T 21198.2-2007 Determination of precious metals in precious metals j ewellery alloys.Method using ICP spectrometry.Part 2：Platinum jewellery alloys--Determination of platinum.Method using the intensity ratios of all minor constituents with reference to platinum
GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 3: Palladium jewellery alloys.Determination of palladium.Method using a solution with yttrium as internal standard element
GB/T 21198.4-2007 Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 4: 999‰ precious metals jewellery alloys.Determination of precious metals.Difference method
GB/T 21198.5-2007 Determination of precious metals in precious metals jewellery alloys.Method using ICP spectrometry.Part 5: 999‰silver jewellery alloys.Determination of silver.Difference method
GB/T 21198.6-2007 Determination of precious metals in precious metals jewellery alloys-Method using ICP spectrometry-Part 6:Difference method