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本文报道了新试剂5-(2′-苯骈噻唑偶氮)-8-氨基喹啉(BTAQ)的合成。研究了在溴化十六烷基三甲铵(CTMAB)增溶下,在弱酸性介质中它与钯的显色反应。建立了分光光度法测定微量钯的高选择性新方法,用于钯催化剂中微量钯的测定,结果满意。
This paper reports the synthesis of a new reagent 5- (2’-benzothiazolylazo) -8-aminoquinoline (BTAQ). The color reaction of palladium with palladium bromide in weakly acidic medium was studied with solubilization of cetyltrimethylammonium bromide (CTMAB). A new spectrophotometric method for the determination of trace palladium with high selectivity was established for the determination of trace palladium in palladium catalyst with satisfactory results.