【Before the experiment】
1. Open the door and window.
2.Prepare distilled water and ice .
3. Deliver class lab reports.
4. Check safety equipment such as fire
1. Note that distilled water and ice are used up and
replenished at any time.
2. If the floor is wet, use a mop to dry it to prevent
the student from falling down.
【After the experiment】
1. Check all switches of gas, faucet, oven, rotary
concentrator, water bath and cooling water machine to be
closed. Pour all the washing liquid collection bottles
and the measuring bottle waste into the waste container.
2. Clean the sink and clean up the lockers and garbage
in the corridor lockers.
3. Clean the Hood and bench.
4. Clean the balance room
5. Sweep the floor and mop the floor in the laboratory.
6. In addition to the ventilation of the industrial
area, all windows, back doors, corridors and windows of
the technical road must be closed.
7. Qualified by the assistant assistant。