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Sun T, Qi L, Li W, Li Y, Shuai X, Cai Z, Chen H, Qiao X, Ma L. Amphiphilic calix[4]arenes as a highly selective gas chromatographic stationary phase for aromatic amine isomers. J Chromatogr A 2019; 1601:310-318. [PMID: 31054832 DOI: 10.1016/j.chroma.2019.04.068] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 04/24/2019] [Accepted: 04/25/2019] [Indexed: 11/19/2022]
Abstract
Efficient separation of aromatic amine isomers is a challenging issue in chemical industry and environmental analysis. Here we report the use of p-amino-tetradecyloxy-calix[4]arene (C4A-NH2) as a novel stationary phase for gas chromatographic (GC) separations. The statically coated C4A-NH2 capillary column showed a high column efficiency of 4332 plates/m for a 0.25 mm ID column and medium polarity. The C4A-NH2 stationary phase exhibited an excellent separation performance both for aromatic amine isomers and a complex mixture of aliphatic analytes with a wide ranging polarity, showing distinct advantages over the commercial polysiloxane stationary phases via diversified molecular interactions covering H-bonding, π-π, van der Waals interactions and shape-fitting selectivity. The retention mechanisms of aromatic amine isomers on C4A-NH2 column were further investigated by quantum chemistry calculations. In addition, the C4A-NH2 column showed good column repeatability with relative standard deviation (RSD) values of 0.03%-0.07% for run-to-run, 0.10%-0.27% for day-to-day and 2.6%-5.7% for column-to-column, respectively, and thermal stability up to 240℃.
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Affiliation(s)
- Tao Sun
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China.
| | - Liran Qi
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China
| | - Weiwei Li
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China
| | - Yan Li
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China
| | - Xiaomin Shuai
- School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, PR China
| | - Zhiqiang Cai
- School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, PR China
| | - Haipeng Chen
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China
| | - Xiaoguang Qiao
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China; Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Material Science and Engineering, Zhengzhou University, Zhengzhou, 450001, PR China.
| | - Lufang Ma
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, PR China
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Hashem H, Ibrahim AE, Elhenawee M. Chromatographic analysis of some drugs employed in erectile dysfunction therapy: Qualitative and quantitative studies using calixarene stationary phase. J Sep Sci 2014; 37:2814-24. [DOI: 10.1002/jssc.201400276] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 06/28/2014] [Accepted: 07/04/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Hisham Hashem
- Department of Pharmaceutical Analytical Chemistry; Faculty of Pharmacy; Zagazig University; Egypt
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Jazan University; Saudi Arabia
| | - Adel Ehab Ibrahim
- Egyptian International Pharmaceutical Industries Co. “EIPICo”; Tenth of Ramadan City Egypt
| | - Magda Elhenawee
- Department of Pharmaceutical Analytical Chemistry; Faculty of Pharmacy; Zagazig University; Egypt
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Chamseddin C, Jira T. Chromatography Modeling Software Applicability for Non-Conventional Columns: a Case Study of Calixarene- and Resorcinarene-Bonded Stationary Phases. Chromatographia 2014. [DOI: 10.1007/s10337-014-2709-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Chamseddin C, Molnár I, Jira T. Intergroup cross-comparison for the evaluation of data-interchangeability from various chromatographic tests. J Chromatogr A 2013; 1297:146-56. [DOI: 10.1016/j.chroma.2013.04.081] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 04/22/2013] [Accepted: 04/24/2013] [Indexed: 10/26/2022]
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Ahmad R, Kumar R, Laskar MA. Adsorptive removal of Pb2+ form aqueous solution by macrocyclic calix[4]naphthalene: kinetic, thermodynamic, and isotherm analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:219-226. [PMID: 22411197 DOI: 10.1007/s11356-012-0838-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Accepted: 02/16/2012] [Indexed: 05/31/2023]
Abstract
BACKGROUND The adsorption characteristics of Pb(2+) ions from aqueous solutions onto calix[4]naphthalene have been investigated. METHOD Calix[4]naphthalene was prepared by the condensation of 1-naphthol and formaldehyde (1:2) in presence of hydrochloric acid at 80 °C. The effect of various operation parameters, such as solution pH, initial metal ion concentration, contact time, and temperature, on the adsorption capacity of calix[4]naphthalene for Pb(2+) have been investigated. RESULT Experimental results showed that the adsorption of Pb(2+) ions increased with the increase in solution pH and temperature. Langmuir and Freundlich isotherms models were used to describe the adsorption behavior of Pb(2+) by calix[4]naphthalene. Equilibrium data fitted well with the Langmuir isotherm model and the maximum adsorption capacity of calix[4]naphthalene for Pb(2+) at 30 °C was found to be 29.15 mg g(-1). Kinetic studies indicated that the adsorption followed pseudo-second order model and the thermodynamic studies revealed that the adsorption process was spontaneous and endothermic in nature. The obtained results demonstrated that calix[4]naphthalene can be used as an effective adsorbent for Pb(2+) ions removal from water.
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Affiliation(s)
- Rais Ahmad
- Environmental Research Laboratory, Department of Applied Chemistry, Aligarh Muslim University, Aligarh 202002, India
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Separation of 9,10-anthraquinone derivatives: Evaluation of functionalised stationary phases in reversed phase mode. J Chromatogr A 2011; 1218:3636-47. [DOI: 10.1016/j.chroma.2011.04.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 04/01/2011] [Accepted: 04/04/2011] [Indexed: 11/21/2022]
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