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应用α-(5-溴-α吡啶偶氮)-5二乙氨基酚(简称5-Br-PADAP)作为钴的显色剂,测定黄铁矿中的微量钴,其最大特点是:在pH4.5的条件下,钴与5-Br-PADAP生成红紫色的络合
The determination of trace cobalt in pyrite by using α- (5-bromo-α-pyridylazo) -5-diethylamino phenol (abbreviated as 5-Br-PADAP) .5 conditions, cobalt and 5-Br-PADAP generated purple complex