Table 3: Measured refractive indices ( and ) of 3-molar solution and validity of Vuks equation.

Temp. (K) LHS of  + 2RHS of     − 0.5

Wavelength (404 nm)

3431.52221.48281.49592.23824.23824.2300
3331.51871.49341.50182.25564.25564.2487
3231.51651.4941.50152.25464.25464.2477
3131.51451.49241.49982.24944.24944.2424
3031.51571.4981.50392.26184.26184.2553

Wavelength (546 nm)

3431.51641.46631.4832.19984.19984.1892
3331.50941.47331.48532.20654.20654.1965
3231.50741.47691.48712.21164.21164.2022
3131.49931.46961.47952.18914.18914.1782
3031.50741.47931.48872.21634.21634.2073

Wavelength (578 nm)

3431.50121.46321.47592.17854.17854.1668
3331.50021.46551.47712.18204.18204.1706
3231.50691.4741.4852.20544.20544.1956
3131.49051.46071.47062.16304.16304.1500
3031.50661.48251.49052.22184.22184.2130