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Elution and analysis of residual chloride from anion exchangers

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Summary

Strong anion exchangers can be transformed to the hydroxyl forms by elution with analytical grade sodium hydroxide. The residual chloride contents remain above the 0.1% level. Such chloride amounts can rapidly and easily be determined with a radiochemical method using 110mAg as tracer. This method was compared with neutron activation and potentiometric titration methods.

Zusammenfassung

Starke Anionenaustauscher können durch Spülen mit Natronlauge in die Hydroxylform übergeführt werden. Der Rest-Chloridgehalt bleibt jedoch immer über 0.1%. Diese Chloridgehalte können unter Zuhilfenahme des Isotopes 110mAg mit einer radiochemischen Methode bestimmt werden. Vergleiche mit potentiometrischen Titrationen und Neutronenaktivierungsanalysen werden gegeben.

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References

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Pauwels, J., Lauer, K.F. Elution and analysis of residual chloride from anion exchangers. Z. Anal. Chem. 240, 225–228 (1968). https://doi.org/10.1007/BF00527965

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  • DOI: https://doi.org/10.1007/BF00527965

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