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A RELATION BETWEEN PROTIUM-TRITIUM AND PROTIUM-DEUTERIUM ISOTOPE EFFECTS

C. Gardner Swain, L. J. Schaad

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Abstract

A relation between the isotope effects of tritium and deuterium was derived. In addition, the equations were experimentally tested by a system where isotope effects are large and accurately measurable. The deuterium isotope effect was 5.02, from which the calculated tritium isotope effect is 11.8 maximum, 10.7 high temperature limit, 10.2 low temperature limit, and 9.7 minimum. The observed tritium isotope effect was 10.2, well within the total range, and closest to the lowtemperature limit. (J.R.D.)

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A relation between the isotope effects of tritium and deuterium was derived. In addition, the equations were experimentally tested by a system where isotope effects are large and accurately measurable. The deuterium isotope effect was 5.02, from which the calculated tritium isotope effect is 11.8 maximum, 10.7 high temperature limit, 10.2 low temperature limit, and 9.7 minimum. The observed tritium isotope effect was 10.2, well within the total range, and closest to the lowtemperature limit. (J.R.D.)

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Available abstract

A relation between the isotope effects of tritium and deuterium was derived. In addition, the equations were experimentally tested by a system where isotope effects are large and accurately measurable. The deuterium isotope effect was 5.02, from which the calculated tritium isotope effect is 11.8 maximum, 10.7 high temperature limit, 10.2 low temperature limit, and 9.7 minimum. The observed tritium isotope effect was 10.2, well within the total range, and closest to the lowtemperature limit. (J.R.D.)

Key concepts: Tritium, Deuterium, Isotope, Kinetic isotope effect, Chemistry, Radiochemistry, Hydrogen isotope, Stable isotope ratio

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