TY - JOUR A1 - Hawley, H A A1 - Mazurek, M A T1 - Oxocarboxylic acids as DNPH derivatives with a monolithic silica column and UV-Vis detection. Y1 - 2008/07/22 N1 - R832165 JF - AMERICAN LABORATORY ONLINE VL - 1 IS - 3 Part 2 SP - 23 EP - 27 PB - ISC Publications ER -