Abstract
In this work, the capability of a hybrid tandem technique of LCMS-IT-TOF was examined for speciation of tripropyltin (TPrT), tributyltin (TBT), tripentyltin (TPeT) and triphenyltin (TPhT) and a relatively fast and accurate method was developed for their determination in aqueous solutions. In this context, several chromatographic parameters were studied such as chromatographic column, mobile phase, flow rate and gradient program in order to optimise the separation of the above species. Optimum separation was achieved using reverse phase C18 bonded-silica column. The mobile phase consisted of water and methanol and acetic acid at a total flow rate of 0.4 mL min–1 and the separation was completed in less than 8 min. Determination of the analytes was performed based on the signal of characteristic ions for each particular triorgano-tin compound. The detection limits of the set of the above four triorgano-tin species were ranged between 13 – 45 pg as absolute mass of Sn injected into the column and the relative standard deviation was ranged between 4.3 – 9.9 %. Finally, the performance characteristics of the method were compared to those reported in literature using similar tandem LC-MS techniques.
Keywords: HPLC, TOF-MS, triorgano-tin, speciation, tripropyltin, tributyltin, tripentyltin, triphenyltin
Current Analytical Chemistry
Title:Speciation Study of Trialkyl- and Triphenyl- Tin by Liquid Chromatography Using Ion Trap TOF Tandem MS and Atmospheric Pressure Chemical Ionization
Volume: 9 Issue: 2
Author(s): N. M. Tzollas, G. A. Zachariadis and E. Rosenberg
Affiliation:
Keywords: HPLC, TOF-MS, triorgano-tin, speciation, tripropyltin, tributyltin, tripentyltin, triphenyltin
Abstract: In this work, the capability of a hybrid tandem technique of LCMS-IT-TOF was examined for speciation of tripropyltin (TPrT), tributyltin (TBT), tripentyltin (TPeT) and triphenyltin (TPhT) and a relatively fast and accurate method was developed for their determination in aqueous solutions. In this context, several chromatographic parameters were studied such as chromatographic column, mobile phase, flow rate and gradient program in order to optimise the separation of the above species. Optimum separation was achieved using reverse phase C18 bonded-silica column. The mobile phase consisted of water and methanol and acetic acid at a total flow rate of 0.4 mL min–1 and the separation was completed in less than 8 min. Determination of the analytes was performed based on the signal of characteristic ions for each particular triorgano-tin compound. The detection limits of the set of the above four triorgano-tin species were ranged between 13 – 45 pg as absolute mass of Sn injected into the column and the relative standard deviation was ranged between 4.3 – 9.9 %. Finally, the performance characteristics of the method were compared to those reported in literature using similar tandem LC-MS techniques.
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Cite this article as:
M. Tzollas N., A. Zachariadis G. and Rosenberg E., Speciation Study of Trialkyl- and Triphenyl- Tin by Liquid Chromatography Using Ion Trap TOF Tandem MS and Atmospheric Pressure Chemical Ionization, Current Analytical Chemistry 2013; 9 (2) . https://dx.doi.org/10.2174/1573411011309020012
DOI https://dx.doi.org/10.2174/1573411011309020012 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
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