title: Preparation and properties of a national reference endotoxin.
abstract: A large pool of refined endotoxin was prepared from Escherichia coli O113 by extraction with hot acqueous phenol. It was characterized chemically and biologically and will be available for a reference standard designated as reference endotoxin EC.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006358:Hot Temperature; D010636:Phenols; D011817:Rabbits
chemical_list: D010636:Phenols