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Spectrophotometric Determination of Trace Pd ( Ⅱ ) in p-Dimethylaminobenzylidenerhodanine and Emulsifing Agent-OP System
Author(s): 
Pages: 23-24,40
Year: Issue:  1
Journal: GUANGXI CHEMICAL INDUSTRY

Keyword:  对二甲氨基亚苄基罗丹宁乳化剂-OP分光光度法;
Abstract: 在0.2 mol·L-1的硝酸介质中,在表面活性剂乳化剂-OP存在下,Pd2+与对二甲氨基亚苄基罗丹宁形成橙红色络合物,最大吸收波长为490 nm,ε=3.2×104,Pd2+浓度在0~1.6μg·mL-1范围内符合比尔定律,测定了络合物的组成比.方法已用于电镀废液中钯的测定,结果较为满意.
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