safety

What should you always wear over your eyes while in the lab even if your wear glasses?
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Terms in this set (19)
What should you always wear over your eyes while in the lab even if your wear glasses?
goggles n
contact lenses allowed?
no
What should you always do before lighting a match in the lab?
Pay attention to flammable liquids and vapors in the area.
What heat source should you use to heat flammable organic solvents?
Flammable organic solvents should be heated using an electrically heated sand bath.
How should you dispose of excess organic solvents?
Excess organic solvents should be disposed of in the correct waste container. There is an organic solvents container for excess waste but there is another for halogenated organic solvent.
Where should you dispose of disposable glassware?
Disposable glassware should be disposed of in the broken glass container
Where should you dispose of capillary tubes and pipettes?
Capillary tubes and pipettes must be thrown in the sharps container
Where should you work when transferring irritating or poisonous substances?
Under an exhaust hood.
What should you do if a chemical gets in your eyes?
Rinse eyes for at least 15 minutes
What device should you use if concentrated acid or base spills on your clothing?
Shower
What should you do if concentrated acid or base spills on your hands and arms?Rinse with water for at least 15 minutesWhat device should you use immediately if a fire (except a very tiny one) starts near you?You should use a carbon dioxide extinguisher or a dry chemical fire extinguisher.What should you try first if a very small fire starts on your desk?Cut off air supply if in a flask or beaker.What should you do if your clothing catches fire?Go to a shower if there is one nearby. If not, roll on the floor until the flames extinguish.What actions should you take if the fire alarm goes off?Stop all work and leave everything in the lab. Follow the instructions of the lab instructor and head for the exit.What should you always do if you have to leave the lab or feel unwell or see a classmate who is unwell while in the midst of carrying out an experiment?let the lab instructor know.Why is it important to use dishwashing gloves for distillation experiment?Steel packing used in distillation experiment will cut through nitrile gloves/skinWhy is it important to use dishwashing gloves when washing IR plates?Methylene chloride used to clean plates will easily penetrate/burn through nitrile glovesMeasures to Prevent Explosion of Closed System(1) Use glassware that can withstand pressure(2) Evacuate system under vacuum before it is closed to atmosphere