Transcript Laboratory Safety Rules

Laboratory Safety
Rules
Page 1068
Appendix B
In your textbook
Also in your manual…
General Safety Rules
1. The laboratory is a place of serious work.
Absolutely no practical jokes or
misconduct will be tolerated
2. Safety goggles must be worn by
everyone in the room during experiments
involving caustic or corrosive chemicals,
heat or flames, and hot liquids or
glassware.
3. Report any accident or injury no matter
how minor, to your instructor
immediately.
4. Prepare for each laboratory activity
by reading all instructions BEFORE
coming to class to perform the
experiment. Follow carefully any
change in procedure given by the
instructor.
5. Always follow written and verbal
instructions given by instructor.
6. Use only materials and equipment
authorized by the instructor. Perform
only those laboratory activities where
instructions and permission have been
given by your instructor.
7. If you have missed instruction on how to
use certain equipment, ask your
instructor to demonstrate its proper
use before you proceed.
8. Dispose of chemicals, broken glass, solid
waste, and other materials properly as
instructed. Only certain liquids should
be washed down the sinks since they
have no garbage disposals, and some
solutions are toxic to landfills.
Do not place matches, or broken glass
into the sinks. Only liquids safe to
go down the drain can be placed
there.
9. Always report broken materials, and
damaged or improperly working
equipment to the instructor
immediately.
10. Never carry hot equipment or dangerous
chemicals through a group of students.
11. Never taste anything, or touch chemicals
with your hands unless specifically
instructed to do so. Keep hands away
from your face, eyes, and body while
using chemicals or solutions. If chemicals
or solution do come in contact with your
skin, wash the area immediately.
12. After performing any experiment, always
wash your hands before leaving the room.
13. Eating or drinking in the laboratory area is
not permitted at any time.
14. During laboratory activities, keep long hair
out of the way. Roll up long sleeves above
the wrist. Excessive and bulky clothing,
long-hanging necklaces, or loose-fitting
bracelets should not be worn.
15. When removing an electrical plug from
the socket, pull the plug, not the
electrical cord. Keep electrical plugs
away fro water, or other liquids.
16. Students are not permitted in the
laboratory storage room without the
approval of the instructor.
17. Know the locations and proper use of the
emergency shower, eye, and face wash
fountain, fire blanket, and fire
extinguishers. Know the proper fire drill
procedure.
18. When you have completed an experiment,
clean, dry, and return all equipment and
materials to its proper place as instructed.
19. Always keep your working area clean.
Chemical Safety Rules
1. Never breathe fumes directly. Always test
for odor of chemicals by waving your hand
over the container and sniffing cautiously
from a distance.
2. Never pour chemicals back into the stock
container. Never exchange stoppers, or lay
them on the table.
3. When diluting an acid or base, always
pour the acid/base into the water, never
pour water into an acid/base.
4. In case of a burn from an acid or a base,
wash the affected area immediately
with plenty of running water. If the eye
is involved, wash it continuously in the
eye wash fountain for at least 15
minutes. Report the incident to your
instructor immediately.
5. Check labels before taking chemicals
or solutions. Make sure equipment is
being used in the proper manner.
Report and malfunctions to the
instructor immediately.
6. Never use mouth suction in filling
pipettes. Always use a suction bulb or
pipette pump.
Heat, Fire, and Flame Safety
Rules
1. When lighting Bunsen burners, always light
the match before turning on the gas.
2. Never leave Bunsen burners or hot plates
that are in use unattended. Turn them off
and unplug the hotplate when not in use.
3. Never reach over a flame or hot plate. Keep
your head and clothing away from flames
and heat.
4. When heating test tubes, always tilt
the tube, and never point it in the
direction of other students. Never
look down into the tube while heating
it.
5. Alcohols or other volatile material that
can easily burst into flame may not be
used in the area of an open flame.
Lab Materials
Triple beam balance
Electronic balance
Beaker
Flask
Bunsen burner
Petri dish
Test tubes
+
test tube rack
Test tube clamp/holder
Test tube brush
Hot plate
w/ flask
Graduated
cylinder
Rubber stopper
Pipette
Dropper
Thermometer
Safety goggles
Microscope
That’s all folks!