A ventilated enclosure in a chemistry laboratory, in which harmful volatile chemicals can be used or kept.
〈英〉排烟柜，通风橱
Example sentencesExamples
The fume cupboards can accommodate up to eight service outlets for gas, air, water and vacuum - four on each side.
In the laboratory it is only safely handled inside a fume cupboard.
This is possible only where each fume cupboard is connected to an individual fan system.
We now have a modern science laboratory with all the facilities including a fume cupboard and a gas supply.
The lipids were extracted with petroleum ether for 7 h, after which the fish were left for 2 h in a fume cupboard for the petroleum ether to evaporate.
The eggs were exposed to ether vapor for 10 min and left in the fume cupboard for 30 min.
The venting of offensive chemicals into the atmosphere via fume cupboards is no longer allowed.
In many cases, good performance of the fume cupboard correlates with a uniform face velocity.
The reaction was allowed to proceed for 30 min, after which the samples were dried in a fume cupboard for several hours.
Half power is used to keep sufficient ventilation in the lab when the fume cupboard is not in use.
Whenever possible, the fume cupboard sash should be kept in the lowered position.
The acid fume chamber has a standard length of 1.86 metres, but it is possible to extend it to 6 metres.
Anyone who uses the chemical is advised to do so in a fume cupboard.
There have also been several reports of old wooden fume cupboards exploding after the use of perchloric acid.
Fixed fume cupboards are inspected annually on a contract to ensure that they meet compliance regulations.
When the sash is in an open position, supply air enters the fume chamber through the sash opening.
A ‘cut out’ under the fume cupboard to get my chair under, or the use of a portable fume cupboard, would be perfectly adequate for me to use.
Design and construction upgrade of the fume cupboard is expected to be completed by 30th June 2007.
The key attribute of a fume cupboard is its ability to provide good containment of hazardous materials.
The installer must test for compliance and produce a commissioning report before the fume cupboard is put into service.