Cetylpyridinium chloride micelle-mediated mutual separation of zinc, cadmium, and mercury ions by thin-layer chromatography

Czasopismo : Acta Chromatographica
Tytuł artykułu : Cetylpyridinium chloride micelle-mediated mutual separation of zinc, cadmium, and mercury ions by thin-layer chromatography

Autorzy :
Sherma, J.
Department of Chemistry, Lafayette College, Easton, PA 18042, USA,
Vrchotová, N.
Institute of Systems Biology and Ecology AS CR, Branišovská 31, 370 05 České Budějovice, Czech Republic,
Sivakumar, T.
Department of Pharmacy, Faculty of Engineering and Technology, Annamalai University, Annamalainagar, Tamil Nadu-608 002, India,
Petruczynik, A.
Department of Inorganic Chemistry, Medical University, Staszica 6, 20-081 Lublin, Poland,
Benkő, B.
PhD School of Semmelweis University, 1085 Budapest, Üllői út 26, Hungary, Division of Pharmacology and Drug Safety, Richter Gedeon Rt., Gyömrői út 21, 1475 Budapest, P.O. Box 27, Hungary, Department of Chemistry and Biochemistry, University of Pécs, Péc,
Mori, M.
Department of Chemistry, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, 376-8515, Japan,
Solangi, A. R.
National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan,
Idris, A. M.
Department of Chemistry, College of Science, King Faisal University, Hofuf 31982, Saudi Arabia,
Milán-Segovia, R.
Laboratorio de Farmacia, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Ave. Manuel Nava No. 6, 78290 San Luis Potosí, S.L.P., Mexico,
Qutab, S. S.
Schazoo Laboratories (Pvt) Ltd, 45 G.T. Road, Lahore-54000, Pakistan,
Agil, M.
Faculty of Pharmacy, Hamdard University New Delhi, 110 062, India,
Dhaneshwar, S. S.
Department of Pharmaceutical Chemistry, Poona College of Pharmacy, Bharati Vidyapeeth University, Erandwane, Pune-411 038, India,
Gannu, R.
Centre for Biopharmaceutics and Pharmacokinetics, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Andhra Pradesh, India,
Popović, G.
Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, P.O. Box 146, 11000 Belgrade, Serbia,
Mhaske, D. V.
Department of Quality Assurance Techniques and Pharmaceutical Chemistry, Bharati Vidyapeeth University, Poona College of Pharmacy, Centre for Advanced Pharmaceutical Research, Erandwane, Pune 411038, Maharashtra State, India,
Mohammad, A.
Analytical Research Laboratory, Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India,
Abstrakty : Cationic surfactant-mediated systems containing different concentrations of cetylpyridinium chloride have been used as mobile phases in thin-layer chromatographic separation of metal cations on silica layers. The effect of surfactant concentrations below and above the critical micelle concentration (CMC) on the retention behaviour of metal ions was examined. The best TLC system for rapid mutual separation of Zn2+, Cd2+, and Hg2+ was unmodified silica as stationary phase and 5% aqueous cetylpyridinium chloride as mobile phase. The effects of pH (acidity or basicity), inorganic electrolytes (the acetate, formate, chloride, bromide, and carbonate of sodium and the chloride and nitrate of calcium), and organic compounds (urea) in the cetylpyridinium chloride solution on the mobility and separation efficiency of Zn2+, Cd2+, and Hg2+ were assessed. The limits of detection for these metal cations were also determined. The method is well suited to identification and separation of Hg2+, Zn2+, and Cd2+ from synthetically prepared ores, for example cinnabar (HgS), zinc blende (ZnS), and greenoekite (CdS), and from hydroxide sludge.

Słowa kluczowe :
Wydawnictwo : University of Silesia in Katowice
Rocznik : 2007
Numer : No. 19
Strony : 185 – 196
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Cytuj : Sherma, J. ,Vrchotová, N. ,Sivakumar, T. ,Petruczynik, A. ,Benkő, B. ,Mori, M. ,Solangi, A. R. ,Idris, A. M. ,Milán-Segovia, R. ,Qutab, S. S. ,Agil, M. ,Dhaneshwar, S. S. ,Gannu, R. ,Popović, G. ,Mhaske, D. V. ,Mohammad, A. , Cetylpyridinium chloride micelle-mediated mutual separation of zinc, cadmium, and mercury ions by thin-layer chromatography. Acta Chromatographica No. 19/2007