Paul, R.
(2008),
Determination of Sulfur in Steels by Radiochemical Neutron Activation Analysis With Liquid Scintillation Counting, Journal of Radioanalytical and Nuclear Chemistry (Accessed May 12, 2026)
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Determination of Sulfur in Steels by Radiochemical Neutron Activation Analysis With Liquid Scintillation Counting
Published
Author(s)
Abstract
A method has been developed for determination of low-level sulfur in steels by radiochemical neutron activation analysis. During sample irradiation, 35S is produced by the 34S(n,g)35S reaction. Irradiated steels are mixed with sulfur carrier and dissolved in HCl/HNO3. Sulfur is reduced to H2S by reaction with Hl/H3PO2/HCl. The evolved H2S is absorbed in dilute NaOH, which is mixed with scintillation cocktail for measurement of 35S by liquid scintillation counting. Sulfur carrier yield is determined by iodometric titration. Chlorine is also determined by RNAA in order to correct for 35S produced via the 35Cl(n,p)35S reaction. Sulfur has been determined down to 5 mg/kg in ultra-high-purity iron using this method.Citation
Journal of Radioanalytical and Nuclear Chemistry
Volume
276
Issue
1
Pub Type
Journals
Keywords
activation analysis, neutrons, radiochemistry, steels, sulfur
Citation
Issues
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Created April 1, 2008, Updated March 29, 2017