Chemistry: analytical and immunological testing – Metal or metal containing – Zn – cd – hg – sc – y – or actinides – or lanthanides
Patent
1986-10-21
1989-05-30
Richman, Barry S.
Chemistry: analytical and immunological testing
Metal or metal containing
Zn, cd, hg, sc, y, or actinides, or lanthanides
423 9, 422 70, 436175, 436161, 424 9, G01N 3320, G01N 3002, B01D 1100
Patent
active
048351075
ABSTRACT:
A method and apparatus for the quantitative recover of actinide values from biological and environmental sample by passing appropriately prepared samples in a mineral acid solution through a separation column of a dialkyl(phenyl)-N,N-dialylcarbamoylmethylphosphine oxide dissolved in tri-n-butyl phosphate on an inert substrate which selectively extracts the actinide values. The actinide values can be eluted either as a group or individually and their presence quantitatively detected by alpha counting.
REFERENCES:
patent: 4162230 (1979-07-01), Horwitz et al.
patent: 4548790 (1985-10-01), Horwitz et al.
patent: 4574072 (1986-03-01), Horwitz et al.
N. A. Talvitie, Radiochemical Determination of Plutonium in Environmental and Biological Samples by Ion Exchange, Nov. 1971, pp. 1827-1830.
C. W. Sill et al., Simultaneous Determination of Alpha-Emitting Nuclides of Radium through Californium in Large Environmental and Biological Samples, Jul., 1979, pp. 1307-1314.
Dietz Mark L.
Horwitz E. Philip
Alfandary-Alexander Lyle
Arch Development Corp.
Mann Philip P.
Rechtin Michael D.
Richman Barry S.
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