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Determination of Antimony, Iron, and Molybdenum in Nickel or Uranium by atomic absorption spectroscopy

โœ Scribed by C.R. Walker; O.A. Vita; R.W. Sparks

Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
490 KB
Volume
47
Category
Article
ISSN
0003-2670

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โœฆ Synopsis

Tile U. S. Atomic Energy Commission has established rigid specifications to insure the purity of uranium compounds used as feed sources fol the gaseous diffusion process and in various nuclear applications. To measure conformance to these specifications, uranium compounds must be analyzed for many trace elements among which are antimony, ilon, and molybdenum. Particularly sensitive analytical methods are required for antimony, whose specification Iimit is I big per gram of uranium, and molybdenum, whose limit is 1.4 Pg per gram of natural uranium (i.e.

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Lower limits of detection for atomic absorption spectroscopy with direct aspiration of aqueous samples are commonly in the range o.og-I.0 p.p.m.1. These have been reported for iron and nickel as 0.05 p.p.m. by BARRAS". The purpose of the present study was a systematic attempt to lower considerably t