title: Quantitative dererminations by ion pair extraction. Part 11. Extraction of carboxylates and sulphonates as ion pairs and adducts with dibenzo-18-crown-6 and other adduct-forming agents.
mesh_terms: D001555:Benzene Derivatives; D055598:Chemical Phenomena; D002621:Chemistry; D043844:Crown Ethers; D004988:Ethers, Cyclic; D007700:Kinetics; D009282:Naphthalenesulfonates; D010404:Penicillin V; D012459:Salicylates
chemical_list: D001555:Benzene Derivatives; D043844:Crown Ethers; D004988:Ethers, Cyclic; D009282:Naphthalenesulfonates; D012459:Salicylates; C002564:dibenzo-18-crown-6; D010404:Penicillin V