welcome to chemistry safety lecture. safety rules the laboratory is a place for serious work. points...
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Welcome to Chemistry
Safety lecture
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Safety Rules• The Laboratory is
a place for serious work.
• Points will not be given for following the rules but points may be lost for not following them.
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“Ms. Renzetti, what would happen if I …”• Never under any
circumstances attempt unauthorized experiments.
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Always Wear Protective Goggles!
• Procedure points will be taken off lab grade for noncompliance.
• Goggles are not to be removed until after you have clean up and are sitting at your desk.
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Report All Accidents at Once.
• Beware of Chips or breaks in the glassware.
• Remember: Hot glass looks like cold glass.
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To Determine if an item has cooled…
• Place your hand close to the object to feel if heat is radiating.
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All Books and personal items should not be on the lab bench.
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Do not taste, Touch or Smell chemicals unless directed to do so.
• When making an observation of an odor, fan the vapor towards you.
• Do not put your face directly over a test tube or beaker.
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When heating a test tube, point it away form yourself and others.• Contents may
boil out in a rapid and violent manner.
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Know the location of safety Equipment
• Shower• Eyewash• Fire Blanket
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Diluting Acids
• Do What you oughter.
• Add Acid to Water.
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When Chemicals are Spilled on your skin…
• Do Not Panic.• Wash with soap and
water.• On the Lab Bench:
• Clean acid spills with Baking Soda.
• Clean Base spills with Vinegar.
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Throw all solids into the Waste can or other container as directed.
• Some liquids may be disposed of in the sink.
• Always check with teacher first before disposal if unsure.
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Read Labels Twice!!
• Many chemicals have similar names.
• Never return unused chemicals back to the original container. That will contaminate the source.
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Electronic Balances are expensive and fragile.
• Do not drop.• Do not press on pan.• Do not place hot
objects on pan.• Never place
chemicals directly n the pan. Use weigh paper.
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Watch your neighbor!
• Be Alert.• Remember, the
accident that harms you may not be your own.
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Keep your work area neat.
• Wipe up spills.• Keep Goggle box
neat.• Dirty glassware
goes into the “dirty laundry”.
• Do not place dirty glassware in the clean bin.