Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (11): 1531.
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LI Nan-Qiang, HE Wei-Jun
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Abstract: In ClCH2COOH-ClCH2COONa buffer solution at pH 2.8, a sensitive adsorptive complex wave of Ga(Ⅲ)-lumogallion(LMG) was obtained by single-sweep polarography.The detection limit is down to 8.0× 10-9 mol/L.The proposed method has been applied to the determination of gallium content in catalyst.The composition of the complex was detected as Ga(Ⅲ):LMG=1:1.The rate constant of the surface electrochemical reaction was determined as k8=0.56 s-1.
Key words: Gallium.Lumogallion, Single-sweep polarography
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LI Nan-Qiang, HE Wei-Jun . Studies on Polarographic Adsorptive Complex Wave of Gallium (Ⅲ)-Lumogallion[J]. Chem. J. Chinese Universities, 1993, 14(11): 1531.
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