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KMID : 1024420130170020137
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Food Engineering Progress
2013 Volume.17 No. 2 p.137 ~ p.142
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Analysis of Dish Detergent in Anionic and Nonionic Surfactants by HPLC
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Kim Jang-Mi
Park Jung-Min
Kim Kyung-Tae
Moon Kyung-Whan
Park Se-Jong
Shin Dong-Woo
Kim Mee-Hye
Kim Jin-Man
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Abstract
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This study was carried out to develop an analysis method for the determination of anionic and nonionic surfactants. The condition for simultaneous analysis of anionic and nonionic surfactants by high-performance liquid chromatography(HPLC) equipped with an evaporated light scattering detector (ELSD) was investigated. Alkyl polyglucoside(APG) and alpha olefin sulfonate (AOS) were analyzed on a C18-boned silica column with a methanol and water gradient condition by HPLC/ELSD. Calibration curves were linear in the range of 100-500 mg/L on APG and 500-4000 mg/L on AOS, with a coefficient of determination (r2) of 0.9999. The limits of detection (LOD) for APG and AOS were 2.29 and 16.55 mg/L, and the limits of quantification (LOQ) were 7.63 and 55.16 mg/L, respectively. The recoveries of the surfactants were 99.29% on APG and 96.11% on AOS. The established method provided acceptable precision and accuracy. Our methods would be useful for the detection of APG and AOS in dishwashing detergents.
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KEYWORD
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surfactant, high-performance liquid chromatography, alpha olefin sulfonate, alkyl polyglucoside microanalysis
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