Wear appropriate protective clothing • Lab aprons can be used to protect good clothing and you • Loose clothing should not be worn because it may dip into chemicals or fall into a flame
Trang 1Chemistry Laboratory
Safety Rules
Trang 2Protect Your Eyes
• Appropriate eye protection must
be worn at all
times!
• Inform your teacher if you wear contact lenses
Trang 3Wear appropriate protective
clothing
• Lab aprons can be used to protect good
clothing and you
• Loose clothing should not be worn because it may dip into chemicals or fall into a flame and catch fire
Trang 4Wear shoes that cover your feet.
• Sandals and
open-toed shoes do not
protect your feet
from broken glass
that is frequently
found in the lab
Trang 5Do not apply cosmetics, eat, or
drink in the lab.
• These activities are ways by which you can accidentally ingest harmful
chemicals
Trang 7Do not taste any chemical!
Trang 8Pour from large containers to smaller ones.
Trang 9Always ADD ACID to water
acid
water
Trang 10Work with volatile chemicals under a fume hood.
Trang 11Check glassware for stars or cracks.
Trang 12Heat test tubes at an angle.
Trang 13Handle hot glassware with gloves or beaker tongs.
Trang 14First light the match
THEN
Turn on the gas!
Trang 15Do 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
Trang 16Do not pipet solutions by mouth!
• Use a rubber
suction bulb or
other device to
fill a pipet
Trang 17Wash your hands with soap and
water before leaving.
• This rule applies
even if you have
been wearing
gloves!
Trang 18Know 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
Trang 19Tie 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!
Trang 20Know the safety equipment
• Eye wash fountain
• Safety shower
• Fire extinguisher
• Emergency exits
Trang 21Carry out only the experiments
assigned by your teacher
I wonder what he’s planning to
do with that
thing
Trang 22Never remove chemicals from
the laboratory
This guy put chemicals in his locker!
Trang 23Never work alone in the lab
Trang 24Remember that the lab is a
place for serious work!
Careless behavior may endanger
yourself and others and will not be tolerated!
Trang 25Demonstrate safe behavior
• Obey all safety instructions
given by your teacher or found
in you experimental procedure.
• Clean up spills immediately; IF
you know how If you are
uncertain how to clean up a spill
or if a large spill occurs, notify your teacher immediately.
Trang 26Demonstrate safe behavior
• Before leaving the lab:
Trang 27Demonstrate safe behavior
• Before leaving the lab:
– Return equipment and chemicals to their proper places
(Ms Heller’s pet peeve!)
Trang 28Demonstrate safe behavior
• Before leaving the lab:
– Return equipment and chemicals to their proper places
– Be sure to replace the lids to all
containers
Trang 29Demonstrate safe behavior
• Before leaving the lab:
– Return equipment and chemicals to their proper places
(Ms Heller’s pet peeve!)
– Be sure to replace the lids to all
Trang 30Know how to dispose of waste
• Dispose of all waste materials
according to your instructional procedure or your teacher’s
instructions
? ? ? ?
Trang 31Report any accidents or unsafe
conditions immediately!