In the experiments, liquid CO2 from a siphon-tube (1) was briefly passed through a cooling bath (3) at 283K and was then compressed to the desired working pressure using a syringe pump (ISCO, 100DX, USA) (7).
In the experiments,liquid CO2 from a siphon-tube (1) was briefly passedthrough a cooling bath (3) at 283K and was then compressedto the desired working pressure using a syringe pump (ISCO,100DX, USA) (7).