Air purification method |
The concentration of anesthetic gas in the air collected from the anesthetist's breathing zone (ppm) |
Without air conditioning unit |
N2O: 1000-3000
Halogenated anesthetics: 10-35 |
With air conditioning unit |
N2O: 200-500
Halogenated anesthetics: 2-5 |
With air-suction device, without air conditioning unit |
N2O: 100-300
Halogenated anesthetics: 1-4 |
With both air suctioning and conditioning devices |
N2O :10-35
Halogenated anesthetics: 0.2 to 0.5 |