Table 1: Measured refractive indices ( and ) of 1-molar solution and validity of Vuks equation.

Temp. (K) LHS of  + 2RHS of     − 0.5

Wavelength (404 nm)

3431.51561.47261.48692.21144.21144.2016
3331.51511.47671.48952.21894.21894.2098
3231.51861.48611.49692.24104.24104.2332
3131.51881.49161.50072.25224.25224.2452
3031.51881.50271.50812.27434.27434.2686

Wavelength (546 nm)

3431.50371.45771.4732.17034.17034.1576
3331.50611.47051.48242.19774.19774.1873
3231.50441.47141.48242.19784.19784.1873
3131.50331.47751.48612.20864.20864.1990
3031.50131.48531.49062.22204.22204.2133

Wavelength (578 nm)

3431.5011.45471.47012.16184.16184.1485
3331.50461.46321.4772.18194.18194.1703
3231.50251.46841.47982.19004.19004.1791
3131.50181.47351.48292.19934.19934.1889
3031.50841.48341.49172.22544.22544.2168