Citation: Yu Biao WANG, Qian Rong LI. Study on New Spectrophotometric Determination of Vanadium(V) with Chlorpromazine[J]. Chinese Chemical Letters, ;1997, 8(4): 331-334. shu

Study on New Spectrophotometric Determination of Vanadium(V) with Chlorpromazine

Yu Biao WANG ^a ,
Qian Rong LI ^b

a Department of Chemistry, Anhui Instructive College, Hefei 230061;
b Structure Research Lab., University of Science and Technology of China, Hefei 230026

Received Date: 7 January 1997

By using chlorpromazine as a new color reagent,spectrophotometric reactions with vanadium(Ⅴ) have been studied.In the medium of 0.25 mol·L^-1 of H₂SO₄,chlorpromazine reacts with vanadium(Ⅴ) at room temperature to form a bright red complex,which exhibits a maximum absorption at 520 nm.Beer's law is obeyed in the concentration range of 0-2 μg and 2-40 μg V(Ⅴ)/10mL with molar absorptivities of 5.10×10³ and 1.02×10⁴L·mol^-1·cm^-1,respectively.
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