Basic Lab Safety

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Basic Lab Safety

  1. 1. Lab SafetyLOT KUBUR
  2. 2. HANDLING CHEMICALS• All chemicals in the laboratory areto be considered dangerous. Avoidhandling chemicals with fingers.Always use a tweezer. When makingan observation, keep at least 1 footaway from the specimen. DO NOTTASTE, or SMELL ANY CHEMICALS.• Check the label on all chemicalbottles twice before removing any ofthe contents. Take only as muchchemical as you need.• NEVER return unused chemicals totheir original container.• NEVER remove chemicals or othermaterials from the laboratory area.
  3. 3. HANDLING GLASSWARE AND EQUIPMENTNEVER handle broken glass with yourbare hands. Use a brush and dustpan toclean up broken glass. Place broken glassin the designated glass disposalcontainer.Examine glassware before eachuse. Never use chipped, cracked, or dirtyglassware.If you do not understand how to use apiece of equipment, ASK THE TEACHERFOR HELP!DO NOT immerse hot glassware in coldwater. The glassware may shatter.
  4. 4. HEATING SUBSTANCESDO NOT operate a hot plate by yourself.Take care that hair, clothing, and hands area safe distance from the hot plate at alltimes. Use of hot plate is only allowed inthe presence of the teacher.Heated glassware remain very hot for along time. They should be set aside in adesignated place to cool, and picked upwith caution. Use tongs or heat protectivegloves if necessary.NEVER look into a container that is beingheated.DO NOT place hot apparatus directly onthe laboratory desk. Always use aninsulated pad. Allow plenty of time for hotapparatus to cool before touching it.
  5. 5. Lab Safety EquipmentSafety Shower Safety GogglesEye Wash
  6. 6. Lab Safety EquipmentFireExtinguisher Fire Blanket Fume Hood
  7. 7. Lab Safety SymbolsFound in your textbook• Glassware• Heat• Eye and Face• Sharps• Electrical• Animal• Chemical• Fire
  8. 8. Other Chemical Hazardsand Symbols• Flammable• Explosive• Toxic/Poison• Irritant• Corrosive• Environmental

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