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研究了三苯胺萃取分离干扰离子后 ,Cu与 DPC-CPB-OP的显色反应体系测定煤矸石中的微量铜 ,结果满意。关键词 :分光光度法 ;二苯碳酰二肼 ;煤矸石 ;铜
The effect of Cu (superscript 2 +) and DPC-CPB-OP on the determination of trace copper in coal gangue was studied after the interference ions were extracted and separated by triphenylamine. The results were satisfactory. Key words: spectrophotometry; diphenylcarbazide; coal gangue; copper