Table 2: Measured refractive indices ( and ) of 2-molar solution and validity of Vuks equation.

Temp. (K) LHS of  + 2RHS of     − 0.5

Wavelength (404 nm)

3431.51371.47151.48562.20734.20734.1975
3331.5121.47861.48972.21964.21964.2104
3231.51321.48731.49592.23804.23804.2300
3131.51341.48931.49732.24214.24214.2345
3031.51311.4941.50042.25124.25124.2443

Wavelength (546 nm)

3431.50591.46271.47712.18224.18224.1706
3331.50561.47251.48362.20114.20114.1911
3231.50081.46761.47872.18674.18674.1756
3131.50851.47661.48722.21214.21214.2025
3031.50671.47741.48722.21194.21194.2025

Wavelength (578 nm)

3431.50451.46161.47592.17874.17874.1668
3331.50171.46861.47962.18964.18964.1785
3231.49691.46561.4762.17894.17894.1671
3131.50281.47451.48392.20224.20224.1921
3031.50191.47651.4852.20534.20534.1956