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| Chinese National Standard Category: Precious metal ore |
| English Title: | Methods for analysis of noble metals in geochemcial samples-Determination of platinum and rhodium content-Preconcentration by thiourea-Catalytic polarographic method |
| Chinese Title: | 地球化学样品中贵金属分析方法硫脲富集-催化极谱法测定铂量和铑量 |
| Standard No.: | GB/T 17418.2-1998 |
| Category No.: | D46 |
| Issued by: | State Qualtiy Technical Supervision Bureau |
| Issued on: | 1998-06-01 |
| Implemented on: | 1999-1-1 |
| Status: | superseded |
| Superseded by: | GB/T 17418.2-2010 Methods for analysis of noble metals in geochemical samples—Part 2:Determination of platinum and rhodium content—Preconcentration by thiourea-catalytic polarographic method |
| Superseded on: | 2011-2-1 |
| Abolished on: | 2011-02-01 |
| Superseding: | |
| Word Count: | 2500 words |
| Similar Standards: | T/CGA 39-2023 GB/T 20899.15-2023 GB/T 20899.8-2022 GB/T 7739.8-2022 GB/T 20899.7-2022 GB/T 7739.7-2022 GB/T 14352.24-2022 YS/T 3044-2022 YS/T 3045-2022 GB/T 20899.5-2021 GB/T 20899.4-2021 GB/T 20899.6-2021 GB/T 7739.4-2021 GB/T 7739.1-2019 GB/T 20899.1-2019 GB/T 20899.2-2019 GB/T 20899.3-2019 GB/T 7739.3-2019 GB/T 7739.2-2019 GB/T 7739.14-2019 |
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