title: [Purification and isolation of benzylpenicillin and phenoxymethyl penicillin by ultrafiltration across semipermeable membranes].
mesh_terms: D046911:Macromolecular Substances; D008567:Membranes, Artificial; D010400:Penicillin G / Q000302:isolation & purification*; D010404:Penicillin V / Q000302:isolation & purification*; D010539:Permeability; D012996:Solutions / Q000302:isolation & purification; D014462:Ultrafiltration / Q000295:instrumentation / Q000379:methods*
chemical_list: D046911:Macromolecular Substances; D008567:Membranes, Artificial; D012996:Solutions; D010400:Penicillin G; D010404:Penicillin V
vernacular_title: Ochistka i vydelenie benzilpenitsillina i fenoksimetilpenitsillina ul'trafil'tratsieĭ cherez polupronitsaemye membrany.