caa a22 4500 467945381 CHVBK 20180405193736.0 cr unu---uuuuu 170328e20050101xx s 000 0 eng 10.1007/s10809-005-0017-x doi (NATIONALLICENCE)springer-10.1007/s10809-005-0017-x (NATIONALLICENCE)springer-10.1007/s10809-005-0059-0 Flow-injection photometric determination of the phenol Index of natural waters in the presence of humic acids [Elektronische Daten] [A. Moskvin, A. Mozzhukhin, E. Mukhina, L. Moskvin] Different schemes were considered for extraction preconcentration in the flow-injection determination of a phenol index, the total concentration of phenol and its derivatives that react with 4-aminoantipyrine. Preference was given to the scheme of flow injection analysis with the direct introduction of an extractant into the mixed flow of a sample and a reagent solution followed by phase separation in a chromatomembrane cell. This allowed phenols to be determined in natural and purified waste waters in the concentration range 1.0 to 10.0 µ g/L with an RSD ≤ 25% and a throughput of 15 samples an hour. The study of the effect of humic acids on the results of determining the phenol index of natural waters showed that humic acids were hydrolyzed to form compounds that made their own contributions to the phenol index which were difficult to take into account. Pleiades Publishing, Inc., 2005 Moskvin A. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut Mozzhukhin A. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut Mukhina E. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut Moskvin L. Department of Chemistry, St. Petersburg State University, Universitetskii prosp. 26, 198504, Petrodvorets, Russia aut Journal of Analytical Chemistry Nauka/Interperiodica 60/1(2005-01-01), 70-74 1061-9348 60:1<70 2005 60 10809 https://doi.org/10.1007/s10809-005-0017-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10809-005-0017-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Moskvin A. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Mozzhukhin A. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Mukhina E. ZAO NPO Granit-NEMP, Gospital'naya ul. 3, 191014, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Moskvin L. Department of Chemistry, St. Petersburg State University, Universitetskii prosp. 26, 198504, Petrodvorets, Russia aut NATIONALLICENCE 773 0- Journal of Analytical Chemistry Nauka/Interperiodica 60/1(2005-01-01), 70-74 1061-9348 60:1<70 2005 60 10809 NATIONALLICENCE 856 40 https://doi.org/10.1007/s10809-005-0059-0 text/html Onlinezugriff via DOI Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE NATIONALLICENCE NL-springer