Analytical applications of crown ethers: III. Extraction and determination of nitrophenol isomers
Extraction of nitrophenols from water samples into benzene has been studied. The extraction is quantitative in the presence of crown ether when the pH of the aqueous phase is in the range 4.7 to 5.7. Beer's law is valid and a spectrophotometric determination of the nitrophenols is proposed.
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Veröffentlicht in: | Microchemical journal 1983, Vol.28 (3), p.347-350 |
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container_title | Microchemical journal |
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creator | Papadoyannis, I.N. Kouimtzis, Th.A. Vasilikiotis, G.S. |
description | Extraction of nitrophenols from water samples into benzene has been studied. The extraction is quantitative in the presence of crown ether when the pH of the aqueous phase is in the range 4.7 to 5.7. Beer's law is valid and a spectrophotometric determination of the nitrophenols is proposed. |
doi_str_mv | 10.1016/0026-265X(83)90071-1 |
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subjects | Analytical chemistry Chemistry Exact sciences and technology Spectrometric and optical methods |
title | Analytical applications of crown ethers: III. Extraction and determination of nitrophenol isomers |
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