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RADIUM DETERMINATION BY ALPHA COUNTING (Final Report)
None
Date:
March 15, 1952
Creator:
Kirby, H.W.
System:
The UNT Digital Library
Radium Determination by Alpha Counting (Final Report)
Abstract: A method is described for the determination of radium by alpha counting. A dilute hydrochloric acid solution of the radium sample is passed through a short column of copper powder to remove polonium. The effluent is mounted on glass slides and alpha counted four to five hours after mounting. Twenty-four hours after mounting, the slides are counted again, and the percentage increase in counts is used to determine a correction factor for the growth of radon and its daughters. Precision and accuracy are within the limits of the counting instrument used.
Date:
March 15, 1952
Creator:
Kirby, H. W.
System:
The UNT Digital Library
The Spectrophotometric Determination of Uranium
Measurement of the color intensity of the uranium thiocyanate complex is discussed as a method for the quantitative determination of uranium. Two procedures for amounts from 1 microgram to 1 milligram are described, and standard curves are shown. The effects of numerous foreign ions are shown, and methods of removal for some of these are discussed.
Date:
March 15, 1952
Creator:
Henicksman, Arthur L.
System:
The UNT Digital Library