Affiliation:
1. 1Department of Physics, Chalmers Institute of Technology
Abstract
The techniques of segregation during normal freezing and of zone melting have been used to establish that the melting point of 6LiNO3 is higher than that of 7LiNO3. The difference is of the order of 0.03 °C. The isotope shift of the melting point is in the opposite direction of the isotope effects found previously for phase transitions in solid lithium metal and lithium sulfate. For the latter salt a recalculation based on a more accurate value for the self-diffusion coefficient shows that the temperature of transition at about 575 °C to a fee structure is about 0.08 degr. lower for 6Li2SO4 than for 7Li2SO4.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
4 articles.
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1. Inverse isotope effect. On melting temperature of LiNO3;Ferroelectrics;1994-08
2. Effects of the diversity of stable isotopes on properties of materials;Materials Chemistry and Physics;1988-06
3. Equilibrium Isotope Effects;Annual Review of Physical Chemistry;1973-10
4. Fused Salts;Annual Review of Physical Chemistry;1971-10