The vacuum glove box system can be used for handling
(i) a solid, powder, or a liquid which is unstable in the air
(ii) a radioactive substance
(iii) a very toxic substance.
After forcibly evacuated in a short period of time by a vacuum pump, the system inside is hermetically filled with predetermined inert gas (N2, Ar, He, dry air or the like) up to a normal pressure. Operations can be executed through the gloves. A specimen is put in and out through the antechamber.