Polarographic Studies on Associations of Midecamycin and Chloroquine with Hydrogen Peroxide

Polarographic Studies on Associations of Midecamycin and Chloroquine with Hydrogen Peroxide

The associations of each of midecamycin and chloroquine phosphate to hydrogen peroxide were studied by using linear-potential scan polarography. In a 0. 15mol/L KH2PO4-NaOH (pH 7.4) buffer, the association ratio of the association complex of midecamycin to hydrogen peroxide is 1:1, and the apparent...

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Veröffentlicht in:Chemical research in Chinese universities 2005, Vol.21 (1), p.32-35
1. Verfasser: LINing SONGJun-feng XUMao-tian ZHANGYa
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极谱法
氧化反应
药物分析
过氧化氢
麦迪霉素
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description The associations of each of midecamycin and chloroquine phosphate to hydrogen peroxide were studied by using linear-potential scan polarography. In a 0. 15mol/L KH2PO4-NaOH (pH 7.4) buffer, the association ratio of the association complex of midecamycin to hydrogen peroxide is 1:1, and the apparent association constant is 7.18. While in a 0. 04 mol/L NH3· H2O-NH4Cl(pH9. 5) buffer, the association ratio and the apparent association constant of the association complex of chloroquine phosphate to hydrogen peroxide are 1:1 and 45.4, respectively. The formation of the association complexes stabilizes H2O2 and results in the accumulation of H2O2, which is baneful to human body.
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In a 0. 15mol/L KH2PO4-NaOH (pH 7.4) buffer, the association ratio of the association complex of midecamycin to hydrogen peroxide is 1:1, and the apparent association constant is 7.18. While in a 0. 04 mol/L NH3· H2O-NH4Cl(pH9. 5) buffer, the association ratio and the apparent association constant of the association complex of chloroquine phosphate to hydrogen peroxide are 1:1 and 45.4, respectively. The formation of the association complexes stabilizes H2O2 and results in the accumulation of H2O2, which is baneful to human body.</description><identifier>ISSN: 1005-9040</identifier><identifier>EISSN: 2210-3171</identifier><language>eng</language><publisher>Institute of Analytical Science, Northwest University, Xi′an 710069, P. R. China%Department of Chemistry, Suide Teachers′ School, Suide 718000, P. R. 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subjects 极谱法
氧化反应
药物分析
过氧化氢
麦迪霉素
title Polarographic Studies on Associations of Midecamycin and Chloroquine with Hydrogen Peroxide
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