Determination of silicon in iron by thermal neutron activation |
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| Authors: | J. -C. Rouchaud M. Fedoroff G. Revel |
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| Affiliation: | (1) Centre d'Etudes de Chimie Métallurgique, 15 rue Georges Urbain, 94400 Vitry-sur-Seine, (France);(2) Laboratoire Pierre Süe, C.N.R.S., C.E.N., Saclay, B.P. No 2, 91190 Gif-sur-Yvette, (France) |
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| Abstract: | A new chemical separation procedure for the determination of silicon in iron after neutron activation was developed. It uses two separation steps, one on a cation exchange resin in HCl−HF-acetone medium, and the other on alumina at pH 9. The detection limit for silicon was 0.02 μg. This analytical procedure was applied to the control of the zone-melting purification of iron. |
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