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 (English Version)
- Standard No.
- GB/T 21198.2-2007
- 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
- 2017-12
- Latest
- GB/T 21198.2-2007
- Scope
- This part of GB/T 21198 specifies the method for determining the platinum content by using the ICP spectrometer to determine the total amount of impurity elements in platinum alloy jewelry by using the ratio of all trace elements to the platinum intensity. This part applies to the purity range of platinum jewelry specified in GB 11887
GB/T 21198.2-2007 Referenced Document
- GB 11887 Jewellery.Fineness of precious metal alloys and designation*， 2012-11-05 Update
GB/T 21198.2-2007 history
- 2007 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 21198.2-2007 -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