The nitrogen isotopic separation factors of various organic amines on amberlite IR-120 cation exchange resin

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1964-11-01
Authors
Nowlin, Duane
Powell, Jack
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Ames Laboratory
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Ion-exchange displacement chromatography was used to measure the nitrogen isotopic separation factors of ten organic amines and ammonium hydroxide. A column of Amber lite IR-120 H+ -form resin was used, and the aqueous amine solutions were approximately 0. 125N. The separation factors of the compounds investigated are: ammonium hydroxide, 1. 0254; methylamine, 1. 0223; ethylamine, 1. 0218; n-propylamine, 1. 0199; iso-propylamine, 1. 0197; n- butylamine, 1. 0183; dimethylamine, 1. 01 74; diethylamine, 1. 01 72; dipropylamine, 1. 0159; trimethylamine, 1. 0130; and triethylamine, 1. 0117.

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