Table 3: Activation parameters of Xanthine in different PEG media.

Type of PEGPEG % (V/V) at 300 K Equation # # # J/Kmol
kJ/mol

PEG-2000.50.09 0.98756.079.277.5
1.00.11 0.98963.978.749.6
2.00.14 0.99960.078.361.3
3.00.16 0.98660.277.758.6
4.00.18 0.97759.977.458.5
5.00.21 0.97157.077.167.1

PEG-3000.50.07 0.96152.979.889.8
1.00.09 0.98351.779.091.9
2.00.11 0.98758.879.268.2
3.00.14 0.95155.778.174.7
4.00.14 0.96655.678.175.0
5.00.16 0.95853.577.780.8

PEG-4000.50.11 0.99917.073.4188
1.00.14 0.98013.667.3179
2.00.14 0.99941.278.1123
3.00.21 0.99936.577.0135
4.00.28 0.99131.076.3151
5.00.30 0.98529.576.3156

PEG-6000.50.16 0.95728.578.0165
1.00.18 0.99528.377.5164
2.00.18 1.0037.377.5134
3.00.21 0.99434.377.2143
4.00.30 0.99922.376.3180
5.00.39 0.99919.075.7189