金属钇粉含量检测标准

铁矿石 金属铁含量的测定 磺基水杨酸分光光度法

首饰 贵金属含量的测定 X射线荧光光谱法

Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 3:Palladium jewellery alloys—Determination of palladium—Method using a solution with yttrium as internal standard element

Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 1:Platinum jewellery alloys—Determination of platinum—Method using a solution with yttrium as internal standard element

Metallic of powders. Determination of acid-insoluble content in iron, copper, tin and bronze powders