The equipment essentially consisted of an autoclave immersed in a constant temperature bath and connected to a membrane pressure gauge.Henry's constants for the lower pressure region and the solubilities for a pressure of 1 atm as estimated by the compiler are:
T/K H, atm/mole fraction x, mole fraction
263.15 125 0.00800
283.15 225 0.00444
303.15 244 0.00410
323.15 286 0.00351
353.15 300 0.00333
373.15 313 0.00319