Laboratory Safety Rules
The chemistry laboratory is a safe place to perform
activities, if you are careful. Every student must
assume the responsibility of their own safety and that of
their classmates.
1. Do not perform experiments that are unauthorized.
Be sure that you obtain your instructor’s permission
before conducting activity.
2. Study your laboratory assignment before you come
to the laboratory. In case you have doubts about any
part of the procedure, ask your instructor for help.
5.
10. Handle chemicals carefully. Check the label of
all bottles before removing or using the contents.
Do not return unused chemicals to reagent bottles.
• 11. Keep combustible materials away from open
flames. Examples of combustible materials are
alcohol, acetone, and carbon disulfide.
• 12. Handle toxic or combustible gases
only under the supervision of your
instructor. Use the fume hood when
handling such materials.
• 13. When heating a substance in a test
tube, be careful not to point the opening of
the test tube at another person or yourself.
Heat
• 14. Use caution and proper equipment like test
tube holder and tongs to handle hot glassware.
Cool glass looks the same as hot glass.
• 15.
Place broken glass and solid substances in
designated containers. Keep insoluble waste
materials out of the sink.
• 21. Before leaving the laboratory, make sure
that it is clean and everything is in order. Close
the faucets. Turn off the lights and ceiling fans.
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Prepared by:
V.P. Paitan