ICP-AES法测定Pd-Ag合金中的杂质元素

A New ICP—AES Procedure for Analysis of Impurities in Pd—Ag Alloys

采用氢氧化钇共沉淀及氯化银沉淀法将合金成份Pd、Ag与被测杂质元素分离,研究了Pd—Ag合金中Pb、Sb、Bi、As、Sn、In、Al、Fe、V、Zr、Cr、Be、Cu、Ni、Ca、Mg、Co、Pt、Ir、Au、Zn、Cd等22个杂质元素的ICP—AES测定方法。相对标准偏差为0.41～5.6％。

A new ICP-AES procedure to determine the impurities in Pd-Ag alloys, such as Pb, Sb, Bi, As, Sn, In, Al, Fe, V, Zr, Cr, Be, Cu, Ni, Ca, Mg, Co, Pt, Ir, Au, Zn, and Cd, was developed. This method involves separating Pd and Ag from the impurities using coprecipitation with Y(OH)_3 and precipitating AgCl. The relative standard deriation of 0.45 to 5.6% was obtained.