Analytical pervaporation: An advantageous alternative to headspace and purge-and-trap techniques
2000
Luque de Castro, M. D. | Gámiz-Gracia, L.
An overview of the principles and general applications of analytical pervaporation is presented. The different designs of both the analytical pervaporation module and the continuous manifolds to which the pervaporator is connected are discussed. The versatility of this non-chromatographic continuous separation technique for circumventing some of the shortcomings encountered in the automation of the overall analytical process is shown. Examples of methods developed for samples (both liquid and solid) in the environmental, food and beverage, and clinical and pharmaceutical fields are shown. The potential of pervaporation as an alternative to static and dynamic well-established approaches such as headspace and purge-and-trap sampling prior to gas-chromatographic separation is demonstrated. Examples of this approach involving both solid and liquid samples are discussed.
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