Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Polarography of Lead-Arginine Hydrochloride Complexes
Tsai-Teh LaiMon-Chao Chen
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1968 Volume 41 Issue 12 Pages 2903-2908

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Abstract

The complexation of lead ion with arginine hydrochloride has been studied polarographically at 30°C. Four kinds of complex species, PbCl+, Pb(H2Arg)Cl2+, Pb(H2Arg)(OH)2+ and Pb(H2Arg)2(OH)3+ (where H2Arg denotes the arginine univalent cation) were confirmed in various pH range, respectively. The logarithmic dissociation constant of Pb(H2Arg)2(OH)3+ was found to be 10.33±0.03 at ionic strength 0.9.

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