提出了一种干柱层析法分离提纯试剂对氨基偶氮苯的新方法。
A new method for separating and purifying p-AAB(p-aminoazobenzene)by dry-column chromatography is developed.
研究了2-羟基-5-磺酸苯基重氮氨基偶氮苯（HSDAA）与镉的反应，建立了直接测定铝合金中镉的光度分析方法。
The reaction of 2-hydroxy-5-sulfophenyl-diazoaminoazobenzene (HSDAA) with cadmium was studied to establish the direct photometric determination of cadmium in aluminum alloy.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。
The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.
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