ABSTRACT

In mole fraction (x 10-9): 2.359 at 6.90 °C, 2.983 at 10.70 °C, 2.849 at 11.10 °C, 3.780 at 14.30 °C, 4.403 at 18.10 °C, 4.995 at 19.30 °C, 6.313 at 23.10 °C, 6.605 at 23.60 °C, 6.794 at 25.00 °C, 9.785 at 29.50 °C, 10.02 at 29.70 °C (generator column-HPLC, May et al., 1983).