ISO 11489:1995 饰用铂合金中的白金的测定 使用氯化汞还原法测定重量.
标准编号:ISO 11489:1995
中文名称:饰用铂合金中的白金的测定 使用氯化汞还原法测定重量.
英文名称:Determination of platinum in platinum jewellery alloys — Gravimetric determination by reduction with mercury(I) chloride
发布日期:1995-04
标准范围
规定了测定铂珠宝合金中铂的重量分析方法,最好在ISO 9202规定的纯度范围内。该程序特别适用于含有钯、铱、铑、铜、钴、金、钌、镓、铬、铟和小于5%钨的铂合金。在钯、铱、铑、金或钌存在的地方,指出了一些修改。
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.
标准预览图


