SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM WITH 5一BR-PADAP AS A CHROMOGENIC AGENT
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The conditions for micro determination of Vanadium with 5-Br-PADAP as a chromogenic agent have been tested. The complex formation occurs in phosphate medium in the presence of H2O2 at pH 2.0-2.25.Detection limit of Vanadium is 10 ppm. It has been Confirmed that Vanadium, 5-Br-PADAP and H20f forms a ternary complex, and the combined ratio of this complex is 1:1:1。
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孙丕均, 1983. V—5-Br-PADAP—H_2O_2三元络合物分光光度法测定矿石中的微量钒[J]. 岩石矿物学杂志, 2(2):138~140. , 1983. SPECTROPHOTOMETRIC DETERMINATION OF VANADIUM WITH 5一BR-PADAP AS A CHROMOGENIC AGENT[J]. Acta Petrologica et Mineralogica, 2(2): 138~140.
