title: Extractive alkylation of organic acids. Part II. Determination of extraction constants.
mesh_terms: D000478:Alkylation; D002021:Buffers; D004140:Dinitrophenols; D006846:Hydrocarbons, Halogenated / Q000032:analysis / Q000302:isolation & purification*; D007477:Ions; D008752:Methylene Chloride / Q000032:analysis; D000644:Quaternary Ammonium Compounds / Q000302:isolation & purification*
chemical_list: D002021:Buffers; D004140:Dinitrophenols; D006846:Hydrocarbons, Halogenated; D007477:Ions; D000644:Quaternary Ammonium Compounds; D008752:Methylene Chloride