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Discrete spacers for photometric characterization of humic acids separated by capillary isotachophoresis


Discrete spacers for photometric characterization of humic acids separated by capillary isotachophoresis



Journal of Chromatography A 916(1-2): 191-200



ISSN/ISBN: 0021-9673

PMID: 11382291

DOI: 10.1016/s0021-9673(00)01095-5

A group of twenty discrete spacers suitable for photometric characterization of humic acids (HAs) after their isotachophoretic (ITP) separation at pH 10 was found. The spacers, inorganic and organic acids and amino acids of suitable acid-base and migration properties exhibiting no light absorption in the UV region of the light spectrum, made possible to perform this characterization in a sensitive spike mode of the ITP analysis.

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Accession: 003715040

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