TY - GEN AU - Katsuki,H AU - Yoshida,T AU - Tanegashima,C AU - Tanaka,S TI - Improved method for the separation and characterization of keto acid 2,4-dinitrophenylhydrazones SN - 0003-2697 PY - 1968///0919 KW - Chromatography, Paper KW - Hydrazines KW - analysis KW - Keto Acids KW - Methods N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0003-2697(68)90065-1 ER -