Extractive freezing-out of carbonic acids from aqueous solution into acetonitrile under conditions of action of a field of centrifugal forces
Keywords:
extractive freezing-out, centrifugation, carbonic acids, concentrating, aqueous solutions, gas chromatography
Abstract
In the first time the Extractive freezing-out of monobasic carbonic acids C2-C8 from water into
acetonitrile in the conditions of action of a field of centrifugal forces is studied. Influence of speed of rotor’s
rotation of the centrifuge on amount of the obtained extract is studied. As a result of one procedure of
extraction it is reached 22-37-fold extent of concentration. Application of that extraction method together with
a gas chromatography with flame ionization detecting allowed to reach a determination limit in water of acetic
and propionic acid made 0.1 mg/l, butanoic, pentanoic, hexanoic, heptanoic and octanoic acids 0.05 mg/l. The
obtained extraction’s regularities of analytes keep within a framework of earlier offered theoretical model
based on the sorption mechanism of distribution between a surface of ice and a liquid phase of a nonfreezing
extractant. Prospects of application of a method in the analysis of vegetable objects on the example of
determination of salicylic acid are shown.
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3.Bekhterev V.N., J. of Analytical Chemistry, 2008, Vol. 63, No 10, pp. 950-953.
4.Bekhterev V.N., Gavrilova S.N., Maslakov I.V., Sudebno-meditsinskaya ekspertiza, 2007. No 2, pp. 32-35
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6.Bekhterev V.N., Gavrilova S.N., Koshkareva E.V., Khimiko-farmatcevticheskii journal, 2008, Vol. 42, No 2, pp. 44-46.
7.Vieira H.P., Neves A.A., Queiroz M.E.L.R., Quimica Nova, 2007, Vol. 30, No 3, pp.535-540.
8.Goulart S.M., De Queiroz M.E.L.R., Neves A.A., De Queiroz J.H., Talanta, 2008, No 75, pp. 1320-1323.
9.De Pinho G.P., Neves A.A., De Queiroz M.E.L.R., Silvério F.O., Food Chemistry, 2010, No 121, pp. 251-256.
10. De Pinho G.P., Neves A.A., De Queiroz M.E.L.R., Silvério F.O., Food Control, 2010, No 21, pp. 1307-1311.
11. Silvério F.O., Silva J.G.S., Aguiar M.C.S., de Pinho A.P.C. e G.P., Quimica Nova, 2012, Vol. 35, No 10, pp. 2052-2056.
12. Magalhães E. J., Nascentes C. C., Augusti R. et al., American Journal of Analytical Chemistry, 2012, No 3, pp. 118-124.
13. Bekhterev V.N., Mendeleev Communications, 2007, Vol. 17, pp. 241-243.
14. Blank A.B., Afanasiadi L.I., J. of Analytical Chemistry, 1970, Vol. 25, No 11, pp. 2085-2093.
15. Eksperandova L.P., Ukrainian Chemical Journal, 2005, Vol. 71, No 9, pp. 31-38.
16. Bekhterev V.N., J. of Analytical Chemistry, 2011, Vol. 66, No 6, pp. 608-613.
17. Koganovsskii A.M., Klimenko N.A., Levchenko T.M., Poda I.G. Adsorbtsiya organicheskikh veshchestv iz vody. L.: Chimiya, 1990. 256 p.
18. Poole S.F., Wilson I.D., J. of Chromatography A, 2000, No 1-2, pp. 1-465.
19. Korenman I.M. Ekstraktsiya v analize organicheskikh veshchestv, M., Khimiya, 1977, 200 p.
20. Podolina E.A., Rudakov O.B., Thin Fan Vin, Rudakova L.V., J. Analyt. Chem., 2010, Vol. 65, No 2, pp. 121-123.
21. Yoshida M., Akane A., Anal. Chem., 1999, Vol. 71, p. 1918-1921.
22. Schneider G.M., Phys. Chem. Chem. Phys., 2002, Vol. 4, pp. 845-852.
23. Sergeev G.B., Batiuk V.A., Kriokhimiya, M.: Khimiya, 1978. 296 p.
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28. Ekkert R., Rendall D., Ogastin D., Fiziologiya Zhivotnykh: mekhanizmy i adaptatsii, Vol. 1, M., Mir Publ., 1991, 424 p.
29. Chuikin A.V., Grigor'ev S.V., Velikov A.A., J. of Analytical Chemistry, 2008, Vol. 63, No 7, pp. 674-679.
30. Khimicheskaya entsiklopediya. M., «Sovetskaya entsiklopediya» Publ., 1998, Vol. 5, 783 p.
31. Zinchenko A.A., Shatalov V.M., Fizika zhivogo, 2010, Vol. 18, No 1, pp. 31-35.
32. Bekhterev V.N. Diss. dokt. chem. nauk. Moscow, 2011, 271 p.
33. Standard Methods for the Examination of Water and Wastewater. 5560 D. Gas Chromatographic Method / 21-ad., USA-EPA. pp. 5-61.
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Published
2018-02-20
How to Cite
Бехтерев, В. Н. (2018). Extractive freezing-out of carbonic acids from aqueous solution into acetonitrile under conditions of action of a field of centrifugal forces. Sorbtsionnye I Khromatograficheskie Protsessy, 15(5), 683-692. https://doi.org/10.17308/sorpchrom.2015.15/321
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