Liquid-phase analytical applications of UV-visible broadband cavity-enhanced absorption spectroscopy (BBCEAS)

Meez Islam, L. Nitin Seetohul, Noora Qas Nouna, Zuzana Bajuszova, Zulf Ali

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Absorption spectroscopy can be considered to be one of the most useful and also most widely used analytical techniques. Over the past 20 years, new experimental techniques have been developed to increase the path length of measurement for absorption spectroscopy based on the use of an optical cavity. The vast majority of cavity-based absorption studies to date have been performed on gas-phase species, whilst only a handful of studies have been reported on liquid-phase species and even fewer on solids. The cavity absorbance for a given analyte was measured by recording a blank spectrum with just the solvent in the cavity and then the sample spectrum with the analyte added to the solvent, with the absorbance calculated in the usual manner. The future appears very bright for liquid-phase applications of BBCEAS. In essence, any current set-up which uses single pass absorption spectroscopy on liquids could benefit from enhanced sensitivity if BBCEAS is applied.

Original languageEnglish
Pages (from-to)6-12
Number of pages7
JournalSpectroscopy Europe
Volume23
Issue number2
Publication statusPublished - 1 Apr 2011

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Absorption spectroscopy
absorption spectroscopy
liquid phases
broadband
cavities
Liquids
blanks
Gases
recording
vapor phases
sensitivity
liquids

Cite this

Islam, Meez ; Nitin Seetohul, L. ; Nouna, Noora Qas ; Bajuszova, Zuzana ; Ali, Zulf. / Liquid-phase analytical applications of UV-visible broadband cavity-enhanced absorption spectroscopy (BBCEAS). In: Spectroscopy Europe. 2011 ; Vol. 23, No. 2. pp. 6-12.
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Liquid-phase analytical applications of UV-visible broadband cavity-enhanced absorption spectroscopy (BBCEAS). / Islam, Meez; Nitin Seetohul, L.; Nouna, Noora Qas; Bajuszova, Zuzana; Ali, Zulf.

In: Spectroscopy Europe, Vol. 23, No. 2, 01.04.2011, p. 6-12.

Research output: Contribution to journalArticleResearchpeer-review

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