ISO 11490:2015
首飾.鈀合金首飾中含鈀量的測定.丁二酮肟重量法
Jewellery - Determination of palladium in palladium jewellery alloys - Gravimetric determination with dimethylglyoxime
2023-02
- 標準號
- ISO 11490:2015
- 發布
- 2015年
- 總頁數
- 14頁
- 發布單位
- 國際標準化組織
- 替代標準
- ISO 11490:2023
- 當前最新
- ISO 11490:2023
- 引用標準
- ISO 11596:2008 ISO 9202:1991
- 適用范圍
- 本國際標準 specifies a gravimetric method for the determination of palladium in palladium jewellery alloys, preferably with the fineness stated in ISO 9202. These alloys may contain silver, indium, gallium, copper, cobalt, nickel, tin, and ruthenium.ocoprecipitated elements have to be determined by a suitable method and a correction applied.
| 術語 | 描述 |
|---|---|
| aqua regia Royal Water | 硝酸和鹽酸的混合溶液，用于溶解樣品 |
| dimethylglyoxime Dimethylglyoxime | 一種用于沉淀鈀的螯合劑 |