Chem. J. Chinese Universities ›› 1985, Vol. 6 ›› Issue (12): 1080.
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Zhang Chuanyou, Yao Xingdong, Cheng Jieke
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Abstract: The complexing reaction of Fe(Ⅱ)with meso-tetrakis(4-trimethylammoniumphe-nyl) porphine [T(4-TAP)P] has been studied.It was found that the reaction can be accelarated by some reagents, such as beryllon Ⅱ etc,and completed in 10-15min at 100℃ and pH4.5 The complex has an absorption peak at 395nm with a molar absorptivity of 1.3×105.Beer's law is obeyed for Fed) in the range of 0-4.5μg/25ml.The interference ions can be separated by extracting Fe(Ⅲ) with MIBK.The high sensitive method has been applied to the determination of trace amounts of iron in some samples.
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Zhang Chuanyou, Yao Xingdong, Cheng Jieke . Spectrophotometric Determination of Trace Amounts of Iron with meso-Tetrakis-(4-Trimethylammoniumphenyl)-porphine under the Existence of BeryllonⅡ[J]. Chem. J. Chinese Universities, 1985, 6(12): 1080.
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http://www.cjcu.jlu.edu.cn/EN/Y1985/V6/I12/1080
