分析测试学报2001，Vol.20Issue(2)：69-71,3.
分光光度法测定钯的新显色剂 2-四唑偶氮-5-二乙氨基酚
Determination of Palladium by Spectrophotometry with 2 _ Tetrazolylazo _ 5 _ diethylamino Phenol
摘要
Abstract
The conditions of colour reaction of a new reagent 2 _ tetrazolylazo _ 5 _ diethylamino phenol（ TTZAPN） with Pd2＋ are presented.The results show that the new colour reagent reacts with palladium to form a stable purple red complex(1∶ 2 by mole) in the medium of HAc－ NaAc with pH 5.0.The apparent molar absorptivity is 4.51× 104 L· mol－ 1· cm－ 1 and maximum absorption wavelength is at 530 nm.Beer's law is obeyed in the range of 0～ 1.0 mg/L for Pd2＋ .The method has been used for the direct determination of palladium in Pd _ containing catalyst and molecular sieve with satisfactory results.关键词
2-四唑偶氮-5-二乙氨基酚/分光光度法/钯分类
化学化工引用本文复制引用
梁华定,葛昌华,潘富友..分光光度法测定钯的新显色剂 2-四唑偶氮-5-二乙氨基酚[J].分析测试学报,2001,20(2):69-71,3.
