CHROMATOGRAPHIC SEPARATION OF NITROGEN ISOTOPES USING PURE WATER AS ELUTING AGENT
- 5 March 1978
- journal article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 7 (3) , 315-318
- https://doi.org/10.1246/cl.1978.315
Abstract
Aqueous solutions of ammonia were passed through ion-exchange columns. In some experiments the column was packed with a strongly acidic cation exchanger Diaion SK-IB in magnesium form, and in the others a weakly acidic cation exchanger composed of succinylated aminododecylcellulose with 3-aminobenzeneboronic acids was used. The ammonium bands formed in the columns were eluted with pure water. It was found that: (1) Nitrogen-15 was enriched in the rear part of the band, and depleted in the front part. (2) The ammonia charged to the column packed with Diaion SK-IB was completely eluted with pure water.Keywords
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