Wednesday, June 22, 2016

SAFETY RULES IN THE USE OF THE LABORATORY

1. Eye and Face Safety
a. Always wear safety goggles
b. Always point a bottle or test tube away from you and others when it is being heated.

2. Glassware Safety
a. Never use broken glassware
b. When heating any glassware, be sure that it is thoroughly dry.
c. In picking up hot glassware, always use heat-resistant gloves.
d. always clean glassware thoroughly after using it.

3. Sharp Instrument Safety
a. Always handle any sharp instrument with extreme care. Always cut any material away from you.
b. Avoid using double-edged razors.
c. Inform your teacher immediately if you accidentally cut yourself while doing an experiment.

4. Electrical Safety
a. Never touch an electrical outlet or appliance when your hands are wet.
b. Do  not overload the socket by plugging too many different appliances into one socket.
c. Do not use long extension cords to plug in an electrical device.

5. Chemical Safety
a. Do not mix chemicals unless you are told to do so.
b. Do not taste or touch any chemical unless instructed.
c. Do not smell any chemical directly from its container.
d. Close all lids when chemicals are not in use.
e. Always rinse any chemical off your skin and laboratory gown with water.

6. Heat/Fire Safety
a. Wear safety goggles whenever you use any source of fire.
b. Never heat any chemical unless told to do so.
c. Do not heat sealed containers.
d. Never reach across the flame.

e. Use clamp, tongs, or any heat-resistant gloves to handle hot objects.

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