Table 5: Measured refractive indices ( and ) of 5-molar solution and validity of Vuks equation.

Temp. (K) LHS of  + 2RHS of     − 0.5

Wavelength (404 nm)

3431.5181.47451.4892.21754.21754.2082
3331.51541.47411.48792.21414.21414.2047
3231.51891.48391.49562.23704.23704.2291
3131.51281.4911.49832.24494.24494.2376
3031.51791.49981.50582.26764.26764.2613

Wavelength (546 nm)

3431.51041.46671.48132.19464.19464.1839
3331.50031.46171.47462.17474.17474.1627
3231.51181.4751.48732.21234.21234.2028
3131.50581.47751.48692.21114.21114.2016
3031.50131.47661.48482.20494.20494.1949

Wavelength (578 nm)

3431.50071.45671.47142.16544.16544.1526
3331.49651.45981.4722.16724.16724.1545
3231.50751.47591.48642.20974.20974.2000
3131.49891.46791.47822.18544.18544.1741
3031.49771.46711.47732.18264.18264.1712