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| International Standard Category: Cadmium, cobalt and their alloys |
GB/T 15072.6-1994 Platinum,Palladium alloys-Determination of iridium content
贵金属及其合金化学分析方法 铂、钯合金中铱量的测定 ;
| Category No.: | 77.120.70 | Valid Status: | superseded |
| Issued Organization: | chinania | Issued Date: | 1994-05-11 |
| Implemented Date: | 1994-1-2 | Abolished Date: | |
| Superseded Standard.: | GB/T 15072.6-2008 Test method of precious metal alloys - Determination of iridium contents for platinum palladium alloys - Electricity titration with ferrous sulfate |
Superseded Date: | 2008-9-1 |
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