In the planning of laboratory construction, we must know the basic common sense of some laboratory construction planning so as to make a good plan for the construction of the laboratory. So what are the basic common sense of laboratory decoration planning? The basic common sense of laboratory decoration has the following points:
1, the laboratory before starting work should be aware of the total gas valve, water valves and gates are located. When you leave the laboratory, you must check the room, turn off the switch of water, electricity and gas, and lock the doors and windows.
2, open the high pressure cylinder, the operator shall stand on the outlet side of the cylinders, the cylinders should be upright, and then slowly unscrew the bottle valve. The gas must be decompressed by the pressure relief valve, and the gas must not be deflated directly. When switching high pressure cylinder valve, it is necessary to use hand or special wrench, and not to use the tools of chisel, pliers and other tools to prevent the damage of the bottle valve. The use of flammable, explosive and toxic gas cylinders should be used to ensure good ventilation and ventilation, and the special person is responsible for the use and maintenance of the gas.
3, the laboratory must use electrical equipment to prevent electric shock decoration; never use wet hands or eyes in side view when switching the switch and electrical switch. Before use, first used shidianbi check electrical equipment if there is leakage, if the instrument of leakage current, can not be used.
4. The use of combustibles, especially flammable substances, should be particularly careful. Don't put it on the table, not close to the flame. The flammable liquid can be dumped in a large amount only when it is away from the fire source or after the flame is extinguished. Low boiling organic solvents are not allowed to be heated directly on the fire, and can only be heated or distilled by reflux condensing tubes on a water bath.
5, laboratory decoration using concentrated acid concentrated alkali, must be extremely careful operation, prevent spills. When using a pipette to measure these reagents, a rubber ball must be used, and it must not be absorbed by the mouth. If it is spattered on the experimental platform or the ground, it must be cleaned with wet cloth in time. If you touch the skin, you should be treated immediately.
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