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1994•Acta Scicentiarum Naturalum Universitis PekinesisRequires access

Studies on the Polarographic AdsorptiveComplex Wave of Antimony-Quercetin

Zhi­qun Wang

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Abstract

in a solution containing 1×10￣(-2) mol/L H_2SO_4 , 1×10￣(-5) mol/L quercetinand 5% alcohol, a sensitive adsorptive complex wave has been found by singlesweep polarography. The peak potential of the wave is -0. 31V(vs SCE) .Thechange of the derivative wave with the concentration of Sb( Ⅲ ) is linear in the range1.0×10￣(-8)～ 3.0×10￣(-6 ) mol/L.This method has been applied to determine traceamount of antimony in arsenous oxide. The mechanism of the wave has been dis-cussed.

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What this paper is about

in a solution containing 1×10￣(-2) mol/L H_2SO_4 , 1×10￣(-5) mol/L quercetinand 5% alcohol, a sensitive adsorptive complex wave has been found by singlesweep polarography. The peak potential of the wave is -0. 31V(vs SCE) .Thechange of the derivative wave with the concentration of Sb( Ⅲ ) is linear in the range1.0×10￣(-8)～ 3.0×10￣(-6 ) mol/L.This method has been applied to determine traceamount of antimony in arsenous oxide. The mechanism of the wave has been dis-cussed.

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Available abstract

in a solution containing 1×10￣(-2) mol/L H_2SO_4 , 1×10￣(-5) mol/L quercetinand 5% alcohol, a sensitive adsorptive complex wave has been found by singlesweep polarography. The peak potential of the wave is -0. 31V(vs SCE) .Thechange of the derivative wave with the concentration of Sb( Ⅲ ) is linear in the range1.0×10￣(-8)～ 3.0×10￣(-6 ) mol/L.This method has been applied to determine traceamount of antimony in arsenous oxide. The mechanism of the wave has been dis-cussed.

Key concepts: Polarography, Antimony, Chemistry, Derivative (finance), Quercetin, Analytical Chemistry (journal), Inorganic chemistry, Chromatography

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