Spectrophotometric Determination of Indium with 4, 5-di-bromophenylfuorone in The Freaence of CTMAB
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A new sensitive spectrophotometric method for the determination of In (III) with 4, 5-dibromopb.enylfluorone and GTMAB is described. The molar absorptivity of the ternary complex is 1.63x 105 1 mol-1 cm-1 at 590nm. The molar ratio of In/Br-PF/CTMAB is 1:3:6. Beer's law obeyed for indium in the range of 0-10 µg/10 ml. In(III)is extracted with n-butyl actate from the sample solution in 5 N hydrobromic acid. The method permits determination of n(10-1-10-5)% of Indium.
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王东进,何文全,蔡志高,等, 1985. 4,5-二溴苯基萤光酮-CTAB光度法测定矿物中微量铟[J]. 岩石矿物学杂志, 4(1):82~84. , 1985. Spectrophotometric Determination of Indium with 4, 5-di-bromophenylfuorone in The Freaence of CTMAB[J]. Acta Petrologica et Mineralogica, 4(1): 82~84.
