Extraction, spectrophotometric method specific for microgram amounts of uranium
Glenn L. Booman, William J. Maeck, Maxine C. Elliott, James E. Rein, U.S. Atomic Energy Commission. Idaho Operations Office, Phillips Petroleum Company. Atomic Energy Division
Idaho Operations Office, U.S. Atomic Energy Commission, 1958 - Science - 15 pages
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aluminum nitrate nonahydrate aluminum nitrate salting ammonium acetate AMOUNTS OF URANIUM anions carbamate careful pH adjustment Centrifuge to facilitate cerium coefficient of variation Color development COMPANY Atomic Energy complex containing 5,0 ml Corex cell dibenzoylmethane reagent diethyl dithiocarbamate diverse ion solution DIVERSE IONS Limit Eberle and Lerner ethyl alcohol ethylenediaminetetraacetic acid extraction facilitate phase separation ferrocyanide gamma energy spectrum Horton and White hydroxide and stir Idaho interference IONS Limit Expressed less sample containing Maeck methyl isobutyl ketone Molar Absorptivity Molar concentrations Molarity or Density nitrate salting solution nitric acid organic phase oxalic PETROLEUM COMPANY Atomic PHILLIPS PETROLEUM COMPANY require careful pH ruthenium salt in water salting and scrub sample aliquot samples containing thorium scrub step scrub treatment special scrub solution SPECIFIC FOR MICROGRAM SPECTROPHOTOMETRIC METHOD SPECIFIC stir until dissolution stopper substituting IN nitric test tube containing tetrapropylammonium hydroxide tetrapropylammonium nitrate Thiocyanate TOLERABLE LIMITS tube containing 5,0 Tungstate volume with water water Added