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发现除PAR外,5—Br—PADAP与卤化亚锡也能用于钯和铂的同时分光光度测定;研究了卤化亚锡使偶氮染料褪色的机理,鉴定了反应产物邻氨基酚和2-氨基吡啶.
It was found that 5-Br-PADAP and stannous halide can be used for the simultaneous spectrophotometric determination of palladium and platinum in addition to PAR. The mechanism of fading of azo dyes by stannous halide was studied. The reaction products o-aminophenol and 2- Aminopyridine.