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    Home > Active Ingredient News > Drugs Articles > Description of safety items for the use of fume hoods

    Description of safety items for the use of fume hoods

    • Last Update: 2016-12-20
    • Source: Internet
    • Author: User
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    Safety instructions for use of fume hood *, safety instructions for use of fume hood The safety instructions for the use of the fume hood are an integral part of the clean laboratory equipment In a scientific laboratory environment, good ventilation effect is very important for creating a clean laboratory environment, ensuring the scientificity and reliability of the experimental conditions and the safety in the experimental process Therefore, the following points should be paid attention to: 1 The indoor air temperature is between - 5 ℃ and + 40 ℃, and the 24-hour average value is not more than + 25 ℃; 2 When the laboratory does not use the fume hood, it should also be ventilated frequently, which is beneficial to the health of the test personnel 3 When more than two fume hoods use one fan together, in order to avoid misoperation or improper operation, the "on" and "off" of the fan can only be controlled by one operator; if the other * fume hoods are temporarily not used or to stop using, the air volume regulating valve can be used to close the vent; avoid repeatedly "on" and "off" the fan, which will not only damage the life of the fan No harm to the experiment 4 When using the fume hood, avoid the interference of the counter current wind direction caused by people's walking to the fume hood; 5 When using the fume hood, make up the air every 2 hours (i.e open the window for ventilation); when using the fume hood for more than 5 hours, open the window to avoid negative pressure in the room 2 Safety precautions: for the safety of the laboratory, please pay attention to the following items: 1 It is forbidden to do experiment courses in the fume hood when the fume hood is not opened; 2 It is forbidden to put the head into the fume hood for operation or inspection during the experiment; 3 It is forbidden to store or test inflammable and explosive materials in the fume hood 4 It is forbidden to put the mobile plug-in row or wires in the fume hood; 5 It is forbidden to carry out the test of mixing the organic substances prohibited by the state with high chlorinated compound substances in the fume hood; 6 It is forbidden to place the tested substances in the fume hood for the test without safety; once the chemical substances are splashed out, the power supply shall be cut off immediately 7 When moving the upper and lower windows, it is necessary to move them slowly and gently to avoid the hand being crushed by the door handle; 8 During the experiment, it is advisable to keep the windows 100-150 mm away from the table top; 9 The operation area of the fume hood should be kept unblocked, and objects should not be stacked around the fume hood 10 If the ventilator fails to start or the sound of the fan is not correct, the operation must be stopped, and professional maintenance personnel must be available for maintenance, and it is not allowed to dismantle and repair by itself; 11 When the operator does not use the ventilator, the ventilator table should not be stored with too many test equipment or chemicals, and long-term stacking is prohibited; 12 If the ventilation is not smooth, please get it from the supplier in time  
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