title: Elemental analysis of vitamin-free casamino acids.
abstract: The elemental composition of three lots of vitamin-free Casamino Acids (Difco) was determined using X-ray fluorescence, atomic absorption, and colorimetric techniques.
authors.affiliation: Department of Biology, Memorial University of Newfoundland, St. John's, Newfoundland.
authors.forename: R A
authors.initials: RA
authors.lastname: Nolan
authors.forename: W G
authors.initials: WG
authors.lastname: Nolan