Measurement of the 231Pa/235U ratio for the age determination of uranium materials
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DOI: 10.1007/s10967-018-6247-9
Abstract: The paper describes the age (production date) determination of uranium reference materials using the 231Pa/235U ratio. Direct addition of 237Np in secular equilibrium with its 233Pa daughter was chosen instead of the regular milking of… read more here.
Keywords: uranium materials; age; determination uranium; measurement 231pa ... See more keywords
Separation and determination of uranium in phosphoric acid medium using high-performance ion chromatography
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DOI: 10.1007/s10967-019-06600-y
Abstract: A new method is presented for measuring of uranium at low levels in crude phosphoric acid without preconcentration or complexing agents using Dionex DX-500 ion chromatograph. Two isocratic elutions namely; 7 mM PDCA (for eluting the… read more here.
Keywords: determination uranium; phosphoric acid; separation; ion ... See more keywords
A novel method for extractive spectrophotometric determination of uranium by Azur II dye in some geological samples.
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DOI: 10.1080/03067319.2020.1861258
Abstract: A novel and really simple method for extractive photometric determination of uranium is achievable by Azur II dye with accurate and sensitive results. This has been possible through a basic dye (Az... read more here.
Keywords: determination uranium; azur dye; method extractive;