1981
DOI: 10.1021/ac00235a024
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Determination of alkyl chain distribution of alkylbenzenesulfonates by liquid chromatography

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Cited by 92 publications
(46 citation statements)
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“…Peak groups of different number of carbon chain appeared at corresponded retention time (RT): 16 to 19.5 min is C 10 , 26.5 to 32.5 min is C 11 , 44 to 55 min is C 12 , and 74 to 95 min is C 13 . Each peak group includes isomer peaks due to the different binding position of phenyl group.…”
Section: Changes In Hplc Chromatogram Of Lasmentioning
confidence: 99%
See 1 more Smart Citation
“…Peak groups of different number of carbon chain appeared at corresponded retention time (RT): 16 to 19.5 min is C 10 , 26.5 to 32.5 min is C 11 , 44 to 55 min is C 12 , and 74 to 95 min is C 13 . Each peak group includes isomer peaks due to the different binding position of phenyl group.…”
Section: Changes In Hplc Chromatogram Of Lasmentioning
confidence: 99%
“…ODS column (Kaseisorb ODS2000 4.6 ◊ 250 mm, Tokyo Chemical Industry) was used at column temperature 40 ˚C. Methanol-water (45 : 55) added with 0.1 M NaClO 4 was used for mobile phase 13) . Flow rate was 1.0 mL/min (ISOCRATIC).…”
mentioning
confidence: 99%
“…[4][5][6] However, some derivatization steps to convert LAS into a volatile compound 7,8 are unavoidable for GC procedures, because LASs are not volatile enough to permit direct measurement by GC. LC has widely been applied to the determination of LAS in various environmental samples without any derivatization using ultraviolet (UV), 9-11 fluorescence (FL), [12][13][14][15][16] and MS [17][18][19] detection. Nakae et al 12,13 obtained an excellent separation of many LAS components (homologues and isomers) by reversed-phase chromatography with FL detection.…”
Section: Introductionmentioning
confidence: 99%
“…LC has widely been applied to the determination of LAS in various environmental samples without any derivatization using ultraviolet (UV), 9-11 fluorescence (FL), [12][13][14][15][16] and MS [17][18][19] detection. Nakae et al 12,13 obtained an excellent separation of many LAS components (homologues and isomers) by reversed-phase chromatography with FL detection. They determined LASs at the sub-ppm level in river water samples without any pretreatment.…”
Section: Introductionmentioning
confidence: 99%
“…Para el análisis del LAS se empleó la técnica de cromatografía líquida de alta resolución (HPLC), por ser más específica que los métodos colorimétricos y por precisar de menor acondicionamiento de la muestra que la cromatografía gaseosa (Nakae et al, 1981 Por lo que respecta a los valores de DQO del efluente, éstos experimentan un aumento en los primeros días debido a la eliminación de parte de la microbiota, experimentando posteriormente un descenso que coincide con el de los sólidos volátiles en suspensión. Esto implica una menor DQO en el efluente, y por tanto una mayor eliminación de ésta (Figura 4a.).…”
Section: Método Analítico Empleado Para El Análisis Del Lasunclassified