Determination of Selected Rare Earths in Uranium Alloys by Atomic-absorption Spectrophotometry PDF Download
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Author: R. D. Gardner Publisher: ISBN: Category : Analytical chemistry Languages : en Pages : 8
Book Description
Scandium, yttrium, holmium, erbium, thulium ytterbium,and lutetium, at concentrations of 0.01 to 0.1 wt% in uranium-matrix alloys, are determined by atomic-absorption spectrophotometry in a perchloric acid solution of the alloy without separation. The presence of uranium enhances the absorbances of the rare-earth elements and eliminates interferences by other elements. The measurement's relative standard deviation at the 0.1-wt% level is 1%, except for lutetium for which it is 5%. At the 0.01-wt% concentration level, each element except lutetium and yttrium is measured with a relative standard deviation no greater than 3%. For lutetium and yttrium, the relative standard deviations are 10 and 8%, respectively.
Author: R. D. Gardner Publisher: ISBN: Category : Analytical chemistry Languages : en Pages : 8
Book Description
Scandium, yttrium, holmium, erbium, thulium ytterbium,and lutetium, at concentrations of 0.01 to 0.1 wt% in uranium-matrix alloys, are determined by atomic-absorption spectrophotometry in a perchloric acid solution of the alloy without separation. The presence of uranium enhances the absorbances of the rare-earth elements and eliminates interferences by other elements. The measurement's relative standard deviation at the 0.1-wt% level is 1%, except for lutetium for which it is 5%. At the 0.01-wt% concentration level, each element except lutetium and yttrium is measured with a relative standard deviation no greater than 3%. For lutetium and yttrium, the relative standard deviations are 10 and 8%, respectively.
Author: Institute for Basic Standards (U.S.). Office of Standard Reference Data Publisher: ISBN: Category : Flame spectroscopy Languages : en Pages : 176
Author: R. D. Gardner
Author: R. D. Gardner
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Author: Los Alamos Scientific Laboratory
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Author: Los Alamos Scientific Laboratory
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Author: Institute for Basic Standards (U.S.). Office of Standard Reference Data