The system was programmed in steps of 0–18% B over 15min,maintenance of 18% B for 3 min, return to the initial conditions over 1 min, and equilibration for 4 min.
The system was programmed in steps of 0–18%B over 15min,maintenance of 18% B for 3 min, return to the initial conditionsover 1 min, and equilibration for 4 min.