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dc.contributor.authorRodjana Burakhamen_US
dc.contributor.authorJaroon Jakmuneeen_US
dc.contributor.authorKate Grudpanen_US
dc.description.abstractThe development of instrumentation for sequential injection analysis with a "lab-at-valve" (SIA-LAV) micro-extraction system is presented. The extractive determination of an anionic surfactant using methylene blue was selected as a model. Sample, reagents and organic solvent were sequentially aspirated into an extraction coil connected to the center of a selection valve, where extraction took place by flow reversal. The aqueous and organic phases were separated in a LAV unit attached to one port of the valve. The LAV unit situated a fiber-optic spectrophotometer to monitor the absorbance change of the extract product in the organic phase. The developed SIA-LAV system offers an alternative micro-total analysis system for automated micro-extraction. 2006 © The Japan Society for Analytical Chemistry.en_US
dc.titleDevelopment of sequential injection-lab-at-valve (SI-LAV) micro-extraction instrumentation for the spectrophotometric determination of an anionic surfactanten_US
article.title.sourcetitleAnalytical Sciencesen_US
article.volume22en_US Kaen Universityen_US Mai Universityen_US
Appears in Collections:CMUL: Journal Articles

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