Extraction of amino acids with di(2-ethylhexyl)phosphoric acid in the presence of dicyclohexyl-18-crown-6 |
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| Authors: | S V Smirnova I I Torocheshnikova I V Pletnev |
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| Institution: | (1) Department of Chemistry, M. V. Lomonosov Moscow State University, Leninskie Gory, 119899 Moscow, Russian Federation |
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| Abstract: | Extraction of amino acids from aqueous solutions into chloroform with di(2-ethyl-hexyl)phosphoric acid was studied. The extraction
efficiency decreases in the sequence Trp>Phe>Leu>Arg>Lys>He>Ala>Gly. The addition of dicyclohexyl-18-crown-6 improves the
efficiency and kinetics of extraction of most amino acids. The extraction degree depends on the concentration of the crown
ether.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 952–955, May, 2000. |
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| Keywords: | extraction “ host— guest” complexation di(2-ethylhexyl)phosphoric acid dicyclohexyl-18-crown-6 amino acids |
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