High-Performance Liquid Chromatographic Determination of Mn(II), Co(II), Zn(II), Ni(II), Cu(II) As Coproporphyrin-I Complexes

The mobilities of 3,8,13,18-tetrametyl-21H,23H-porphine-2,7,12,17-tetrapropionic acid or coproporphyrin-I (CPI) and five metal-CPI complexes were measured by reversed-phase high performance liquid chromatography (RP-HPLC) on a octadecyl-bonded silica gel (C 18 silica) with developing solvent (69:31...

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Bibliographic Details
Published in:Journal of liquid chromatography & related technologies 1998-10, Vol.21 (17), p.2607-2617
Main Authors: Giovannetti, Rita, Bartocci, Vito
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Other chromatographic methods
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Summary:The mobilities of 3,8,13,18-tetrametyl-21H,23H-porphine-2,7,12,17-tetrapropionic acid or coproporphyrin-I (CPI) and five metal-CPI complexes were measured by reversed-phase high performance liquid chromatography (RP-HPLC) on a octadecyl-bonded silica gel (C 18 silica) with developing solvent (69:31 v/v) methanol-buffer at pH 7 (buffer ionic strength 0.270 mol L −1 . 0.018 mol L −1 boric, phosphoric and acetic acid, and 0.036 mol L −1 sodium hydroxide), and 0.050 mol L −1 of NaCl, with UV detection at 374 and 458 nm.
ISSN:1082-6076
1520-572X
DOI:10.1080/10826079808003410