陈菲菲
,
魏成磊
,
黄蕊
黄金
doi:10.3969/j.issn.1001-1277.2005.08.013
研究并建立了纯银样品经硝酸溶解,标准基体匹配,直接用电感耦合等离子体发射光谱测定纯银中铜、铁、铅、锑、铋、钯、硒、碲、锌杂质元素的方法.其检出限分别为0.003 9,0.003 3,0.015,0.015,0.007 3,0.024,0.008 0,0.004 2,0.003 0μg/ml;回收率均在97.2%~102.5%之间;相对标准偏差为0.76%~5.02%.
关键词:
纯银
,
杂质元素
,
电感耦合等离子体发射光谱
陈菲菲
,
魏成磊
,
黄蕊
黄金
doi:10.3969/j.issn.1001-1277.2004.07.015
研究并建立了在同一体系中经溶剂萃取用电感耦合等离子体发射光谱测定纯金中10种杂质元素的方法.银、铜、铁、铅、锑、铋、钯、镍、铬、锰的检出限分别为0.004 8,0.004 6,0.002 2,0.016,0.015,0.005 4,0.005 8,0.003 7,0.005 3,0.000 6μg/ml,回收率均在98.7%~102.9%之间,相对标准偏差为1.2%~5.8%.
关键词:
纯金
,
杂质元素
,
电感耦合等离子体发射光谱