铂合金首饰中含铂量的测定 氯化汞还原重量分析法
详细信息
- 中文主题词：铂合金 ; 铂 ; 重量分析 ; 含量测定 ; 还原 ; 珠宝 ; 汞化合物 ; 测定
- 标准号：ISO 11489-1995
- 发布日期：1995-05-01
- 英文题名：Determination of platinum in platinum jewellery alloys - Gravimetric determination by reduction with mercury(I) chloride
- 英文主题词：Chemical analysis and testing ; Determination ; Determination of content ; Gravimetric analysis ; Jewellery ; Mercury compounds ; Methods ; Platinum ; Platinum alloys ; Reduction ; Testing
- 标准状态：现行
- 发布单位：IX-ISO
- 国际标准分类号：39.060
- 载体形态：4P;A4
- 中国标准分类号：H15
- 国别：国际标准化组织
文摘
Specifies a gravimetric method for the determination of platinum in platinum jewellery alloys, preferably within the range of fineness stated in ISO 9202. The procedure applies specifically to platinum alloys incorporating palladium, iridium, rhodium, copper, cobalt, gold, ruthenium, gallium, chromium, indium and less than 5 % tungsten. Some modifications are indicated where palladium, iridium, rhodium, gold or ruthenium are present.