PowerPoint Presentation - Chemistry Laboratory Safety Rules

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Chemistry Laboratory Safety Rules

Protect Your Eyes • Appropriate eye protection must be worn at all

times!

• Contact lenses are not a substitute for goggles/ safety glasses.

Appropriate Eyewear

Wear appropriate protective clothing • Lab aprons must be worn during the laboratory experiments. • Loose/dangling clothing can not be worn because it may dip into chemicals or fall into a flame and catch fire.

Wear shoes that cover your entire foot.

• Sandals and open toed shoes do not from broken glass found in the lab

Do not apply cosmetics, eat, or drink in the lab.

• These activities are ways by which you can accidentally ingest harmful chemicals

Tie Back Loose Hair • Dangling hair can fall into the Bunsen burner and catch fire or can fall into a chemical solution • P.S. Burning hair REALLY STINKS!

Any long sleeved clothing must be pulled up to the elbow!

Know the safety equipment • Eye wash fountain • Safety shower • Fire extinguisher • Emergency exits

Work with volatile chemicals under a fume hood.

Do not smell any chemicals directly!

• Smell chemicals only if your teacher specifically tells you to do so, then use your hand to fan the vapor to your nose.

Dispensing Chemicals!!!

- NEVER PUT USED OR UNUSED CHEMICALS BACK IN THEIR ORGINAL CONTAINERS!!!

-Pour from large containers to smaller ones.

Always ADD ACID to water

acid water

Check glassware for stars or cracks.

• If there are any cracks, DO NOT USE IT

Never remove chemicals from the laboratory.

Never place chemicals directly on the lab tables or measuring devices!! Always use a plastic weighing boat.

Handle hot glassware with gloves or beaker tongs.

• REMEMBER: HOT GLASS AND COOL GLASS LOOK IDENTICAL!

Heat test tubes at an angle away from yourself and others.

Broken Glassware

• Accidents happen!

• Broken glass will be handled by a teacher and placed in the cardboard box! DO NOT CLEAN ANY BREAKS YOURSELF!.

Know the hazards of the materials being used.

• Read and reread labels carefully to make sure that you are using the right chemical.

• Pay attention to the warnings about the chemicals used in the lab.

Know how to dispose of waste • Dispose of all waste materials according to your instructional procedure or your teacher’s instructions ?

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Wash your hands with soap and water before leaving.

• This rule applies even if you have been wearing gloves!

Lab Materials

• Lab hardware will be returned to the appropriate location.

• Goggles and aprons must not be removed until all cleanup is complete and you have already washed your hands.

FIRE SAFETY

PASS technique

• P ull the pin.

• A im the nozzle.

• S queeze the handle.

• S pread in a sweeping motion.

• Fire Triangle

Demonstrate safe behavior • For any type of spill or accident. Always notify a teacher first!! Do not take matters into your own hands.

• ASSUME ALL CHEMICALS ARE DANGEROUS!

Remember that the lab is a place for serious work!

Careless behavior may endanger yourself and others and will not be tolerated!

Report any accidents or unsafe conditions immediately!