以下为句子列表：
英文: Study on the Color Reaction of Fe~(+) --Br-PADAP-OP and Determination Bivalent & Trivalent Ferrum in Water.
中文: Fe~(+)--Br-PADAP-OP显色反应的研究及水中价态铁的测定
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英文: The article presents an inquiry into the Landolt reaction which is produced when the ascorbic acid is added into HO-KI acid liquid, an inquiry into the color reaction timing mathod in the de term inat ion of Vc.
中文: 本文探讨了在酸H_O_—KI溶液中,加入抗坏血酸产生Landolt反应,指示剂显色计时法测定抗坏血酸含量.
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英文: The color reaction between iron(Ⅲ) and p-diethylamine phenylfluorone(p-DEMPF) was studied. In a NHCl-NH ·HO buffer solution with pH 9.00 and in the presence of tetradecyl pyridine bromide(TPB),iron(Ⅲ) reacts on p-DEMPF to form a bluish violet complex.
中文: 在pH 9.00的NHCl-NH .HO缓冲体系中,铁(Ⅲ)与对二乙氨基苯基荧光酮(p-DMEPF),溴代十四烷基吡啶(TPB)反应生成三元蓝紫色配合物,其吸光度值与铁(Ⅲ)的浓度成正比,据此建立了测定微量铁的分光光度新方法。
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