以下为句子列表：
英文: Carboxyanilineazo salt and 2-hydroxyanilineazo salt were synthesized, and new azo reagent 4-(2-carboxyanilineazo)-pyrogallol and 4-(2-hydroxyanilineazo)-pyrogallol were synthesized through coupled reaction of 2-carboxyanilineazo salt and 2-hydroxyanilinea
中文: 摘要合成了2-羟基苯胺重氮盐和2-羟基苯胺重氮盐，它们与连苯三酚偶联，得到新的偶氮试剂4-(2-羟基苯偶氮)-连苯三酚和4-(2-羟基苯偶氮)-连苯三酚。
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英文: IR, UV and fluorescence spectrum of the two azo-pyrogallol reagents were studied.
中文: 研究了偶氮试剂的红外光谱、紫外光谱和荧光光谱特性。
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英文: This paper reports the antioxidative activity detection for the grape juice produced in Dalian, by using the pyrogallol autoxidation method.
中文: 摘要报道了利用邻苯三酚自氧化法对大连本地葡萄汁抗自由基活性的测定。
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