title: Sources of error in the determination of specific radioactivity of amino acids isolated by ion-exchange chromatography.
mesh_terms: D000596:Amino Acids / Q000032:analysis* / Q000302:isolation & purification; D000613:Aminobutyrates / Q000032:analysis / Q000302:isolation & purification; D002247:Carbon Isotopes; D002708:Chlorella; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D002951:Citrates; D004590:Electrophoresis, Paper; D006863:Hydrogen-Ion Concentration; D008094:Lithium; D008722:Methods; D011874:Radiometry; D012588:Scintillation Counting; D012964:Sodium
chemical_list: D000596:Amino Acids; D000613:Aminobutyrates; D002247:Carbon Isotopes; D002951:Citrates; D008094:Lithium; D012964:Sodium