Transcript PowerPoint Presentation - Chemistry Laboratory Safety Rules
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!