in the lab

• Never do unauthorized experiments.

• Never work alone in laboratory.

• Do not leave an on-going experiment unattended.

• Always inform your instructor if you break any equipment or glassware.

• To put out a fire in a person's hair, use the fire blanket

• To put out a fire in a person's clothing, use the fire blanket.

• If a chemical is spilled on your clothing you should use the safety shower

• Never taste anything.

• Never pipette by mouth; use a pipette filler.

• Never use open flames in laboratory unless instructed by your teacher.

• Check your glassware for cracks and chips each time you use it. Cracks could cause the glassware to fail and cause serious injury to you or lab mates.

• Maintain clean access to all exits, fire extinguishers, electrical panels, emergency showers, and eye washes.

• Clean your lab table and equipment before you leave the laboratory.

• Wait until your teacher checks that you cleaned and organized materials and equipment on your table before leaving your work area.

• ALWAYS wear goggles

• Gloves

• A lab coat

• Have someone authorizing the experiment

• Use common sense

• Common sense is needed for safety in a laboratory.

• Each student should work in a responsible manner and exercise good judgment and common sense.

• If at any time you are not sure how to handle a particular situation, ask your teacher for advice.

• It is always better to ask questions than to risk harm to yourself or damage the equipment.

• Be sure that cables are not in touch with the hot plate.

• Turn off the gas as soon as you finish working with the Bunsen burner.