TY - GEN AU - Kallio,H AU - Linko,R R TI - Gas-liquid chromatographic analysis of 2,4-dinitrophenylhydrazones of keto acid methyl esters PY - 1973///0405 KW - Chromatography, Gas KW - Dinitrophenols KW - analysis KW - Hydrazones KW - Keto Acids KW - Methods KW - Phenylhydrazines N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0021-9673(01)97796-9 ER -