ChE-309 Chemical Engineering Laboratory-I Laboratory Manual

Safety in the Laboratory
Preparation
Before starting any laboratory operation ask and answer the following
questions by yourself:
1. Have I done this before
2. Do I have the proper equipment
3. Does anything look wrong
4. What are the hazards
5. Should I work in a fume hood
6. Do I need goggles or other safety equipment
7. Do I need additional help
8. Should I check further with my instructor
9. Have I planned this experiment or exercise
10. Do I know what to do, if there is an accident
11. Do I know where the fire extinguishers are located
LABORATORY SAFETY RULES
1. NO SMOKING IN THE LABORATORY:
2. Safety glasses will be worn at all times where applicable during
laboratory periods. These glasses will be kept between laboratory
sessions in the racks provided.
3. Wear apron (lab overall) in the lab when running apparatus and
handling liquids.
4. Wear rubber gloves when handling liquids.
5. When dangerous chemicals are in use, a second person should be
within call.
6. Find out the location of First Aid Box.
7. Before operating any valve, switch, etc., know precisely what the
effect of your manipulation will be.
8. Turn off all the valves on cylinders of compressed or liquefied gases
when not in use.
9. Students are not allowed to open gas cylinders. Ask the technician.
(iii)