The direct determination of porphyrin carboxylic acids. High-pressure liquid chromatography with solvent systems containing phase-transfer agents.
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ABSTRACT: A novel method for separating porphyrin polycarboxylic acids is described and illustrated by its application to the direct analysis of biological (deep-sea medusae), clinical (urine) and chemical ('haematoporphyrin derivative') samples.
SUBMITTER: Bonnett R
PROVIDER: S-EPMC1185824 | biostudies-other | 1978 Aug
REPOSITORIES: biostudies-other
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