Bypass high-performance liquid chromatography for purification of trace analytes |
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| Authors: | Shao Gang Giese Roger W |
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| Affiliation: | Department of Chemistry, Faculty of Natural Sciences, University of Guyana, P.O. Box 10 1110, Georgetown, Guyana. brijtew@yahoo.com |
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| Abstract: | Stability constants of binary Fe(III)-methylcysteine, Cr(III)-methylcysteine and mixed Fe(III)-methylcysteine-cysteine, Cr(III)-methylcysteine-cysteine complexes have been determined by paper electrophoresis at 0.1 M ionic strength and a temperature of 35 degrees C. The stability constants of Fe(III)-methylcysteine-cysteine and Cr(III)-methylcysteine-cysteine mixed complexes were found to be 6.00 +/- 0.07 and 5.05 +/- 0.15 (logarithm of stability constant values), respectively. |
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