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- W363489611 abstract "研究了新指示剂 2-( 1,3 ,4-三氮唑偶氮 )-5-二乙氨基苯甲酸 (TZDBA)作为络合滴定铜指示剂的分析性能。结果表明 ,在 pH 10.0的NH3·H2 O -NH4 Cl缓冲溶液中 ,加入 10滴指示剂TZDBA ,用EDTA溶液进行目视滴定 ,滴定终点溶液由紫色变为亮绿色 ,变色敏锐 ,准确度高 ,具有一定的实用价值 ,用于锰黄铜和铜盐中铜的测定 ,结果满意" @default.
- W363489611 created "2016-06-24" @default.
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- W363489611 date "2004-06-30" @default.
- W363489611 modified "2023-09-28" @default.
- W363489611 title "2-(1,3,4-三氮唑偶氮)-5-二乙氨基苯甲酸作为络合滴定铜指示剂的研究" @default.
- W363489611 hasPublicationYear "2004" @default.
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