Effect of solvents nature on the sorption properties of thin plates «Sorbfil», modified with nanoparticles thiacalix[4]arene/SiO2
Abstract
By the method of ascending thin-layer chromatography on thin-layer plates «Sorbfil» modified by thiacalix nanoparticles[4] aren/SiO2, the influence of the nature of organic solvents on the sorption properties of the obtained new material was evaluated. N-hexane, ethyl acetate, methylethylketone, toluene, characte- rized by various physical and chemical properties, were used as organic solvents.
The nanopowder thiacalix[4]arene/SiO2 were obtained using ultrasonic treatment. The solvent front movement was determined by the modified thin-layer plate in comparison with the standard sorbent «Sorb- fil». The retention time of the solvent was fixed every 10mm. The influence of the nature of organic solvents on the sorption properties of thin-layer plates modified by the studied nanoparticles was established. For po- lar solvents, characterized by sufficiently large dipoles of molecules, there is a significant increase in the re- tention time along the length of the sorption layer of the modified thin-layer plate.
Based on the method of Braun's assessed contribution to the intermolecular interaction with different polarity of solvents for thin-layer plates «Sorbfil», modified with nanoparticles, thiacalix[4]arene/SiO2 in comparison with unmodified and shows the displacement of the experimental points in different area of a triangular system.
Downloads
References
2. Izmailov N.A., Shraiber M.S. ,Otkrytie ton- kosloinoi khromatografii, Pod red. V.G. Berez- kina, M., GEOS, 2007, p.128
3. Krasikov V.D., Osnovy planarnoi khroma- tografii,SPb., Khimizdat, 2005, pp.232.
4. Kuran Z.R., J. of Forensic Science, 1986, No 31, рр. 655-657.
5. Crown D., Brunelle R., Cantu A., J. of Fo- rensic Science, 1976, pp. 917-922.
6. Tappolet J., Forensic Science Jnt, 1983, No 22, pp. 99-109.
7. Aginskii V.N., Ustanovlenie davnosti vy- polneniya shtrikhov rukopisnykh tekstov, M., EKTs MVD RF, 1997, p. 8.
8. Kartashova A.A., Novikov V.F., Izvestiya vysshikh uchebnykh zavedenii. Problemy ener- getiki, 2016, No 1-2, pp. 138-145.
9. Sumina E.G., Shtykov S.N., Sorokina O.N., Petrakova A.V. et al., Sorbtsionnye i khromato- graficheskie protsessy, 2014, Vol. 14, No 1, pp. 52-62.
10. Belanova N.A., Karpov S.I., Selemenev V.F., Chepeleva E.O. et al., Sorbtsionnye i khromatograficheskie protsessy, 2011, Vol. 11, No 6, pp. 905-912.
11. Sumina E.G., Sorbtsionnye i khromatogra- ficheskie protsessy, 2010, Vol. 10, No 1, pp. 150-160.
12. Armstrong D.W., Terril R.Q., J.Anal.Chem. Sos., 1983, Vol. 105, No 10, pp.2962-2964.
13. Armstrong D.W., Terril R.Q., Anal. Chem., 1979, Vol. 51, No 13, pp. 2160-2167.
14. Sumina E.G., Shtykov S.N., Tyurina N.B., J. of Analyt. Chem., 2003, Vol. 58, No 8, pp. 808-819.
15. Lur'e A.A., Khromatograficheskie mate- rialy, M., Khimiya, 1978, 440p.
16. Brown J., G.Chromatogr, 1063, Vol. 10, рр. 284-293.
