Lab safety

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3. Never taste any chemicals (you should never taste anything in the lab).

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Chemical Safety

4. If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.

5. Never pour water into a concentrated acid. Acid should be poured slowly into water.

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Chemical Safety

6. Follow the instructions of your teacher when disposing of all chemicals.

7. Wash your hands after handling hazardous chemicals.

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Electrical Safety

1. Lay electrical cords where no one can trip on them or get caught in them.

2. Be sure your hands and your lab area are dry before using electrical equipment.

3. Never poke anything into electrical outlets.

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Electrical Safety

4. Unplug cords by pulling the plug and not the cord.

5. Unplug all electrical equipment at the end of the lab period.

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Heating Safety

1. Let burners and hotplates cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to them.

2. Use tongs and/or protective gloves to handle hot objects.

3. Never reach across an open flame or burner.

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Heating Safety

4. The only type of glassware that may safely be heated is either Kimax or Pyrex.

5. Always point the top ends of test tubes that are being heated away from people.

6. When heating a test tube, move it around slowly over the flame to distribute the heat evenly.

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Heating Safety

7. Only glassware that is thoroughly dry should be heated.

8. Heat glassware by placing it on a wire gauze platform on a ring stand. Do not hold it in your hand.

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Heating Safety

9. When lighting a burner, wait until the striker is in place before you turn on the gas.

10. The amount of air can be adjusted by the air supply valve below the tube of the burner. This regulates the flame temperature and color.

11. Never leave a burner or hotplate unattended.

Slide 18

First Aid

Injury: Burns

What To Do: Immediately flush with cold water until burning sensation is lessened.