Optimisation of the connection between TA-MS systems together with improved data interpretation for TA-MS applications |
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Authors: | Hatton P. J. Southward B. W. L. |
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Affiliation: | (1) Hiden Analytical Ltd, 420 Europa Boulevard, Warrington, WA5 7UN, UK |
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Abstract: | TA-MS provides chemical and thermal response information. In order for this information to be meaningful sampling must be performed with minimum dead volume and without cold spots. Dead volume leads to response lag and peak broadening. Cold spots result in sample condensation, leading to inaccurate data and potentially inlet blockage. This paper describes a hot zone inlet system and 'in-situ' probe both of which provide fast response, zero dead volume sampling directly to the MS. The paper also discusses data interpretation methodologies and introduces 'soft ionisation' as a means of providing simplified analysis of complex mixtures. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | data analysis inlet optimisation thermal analysis-mass spectrometry |
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