Practical no 1 _labsafety Guidelines.pdf

Practical no 1 _labsafety Guidelines.pdf

• 1.
  Laboratory Laboratory Safety Safety Guidelines Guidelines
• 2.
  A. General SafetyRules 1. Listen to or read instructions carefully before attempting to do anything. 2. Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter. 3. Notify your teacher if any accidents occur.
• 3.
  A. General SafetyRules 4. After handling chemicals, always wash your hands with soap and water. 5. During lab work, keep your hands away from your face. 6. Tie back long hair.
• 4.
  A. General SafetyRules 7. Know the location of the fire extinguisher, fire blanket, eyewash station, and first aid kit. 8. Keep your work area uncluttered. Take to the lab station only what is necessary.
• 5.
  A. General SafetyRules 9. Never put anything into your mouth during a lab experiment. 10. Clean up your lab area after you are finished. 11. Never “horse around” or play practical jokes in the laboratory.
• 6.
  B. Glassware Safety 1.Chipped or cracked glassware should not be used. Show it to the teacher, and you will be given instructions on how to dispose of it properly.
• 7.
  C. Chemical Safety 1.Wear protective goggles whenever heating or pouring hazardous chemicals. 2. Never mix chemicals together unless you are told to do so. 3. Never taste any chemicals.
• 8.
  C. Chemical Safety 4.If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.
• 9.
  C. Chemical Safety 5.Follow the instructions of your teacher when disposing of all chemicals. 6. Wash your hands after handling hazardous chemicals.
• 10.
  D. Electrical Safety 1.Lay electrical cords where no one can trip on them or get caught in them. 2. Be sure your hands and your lab area are dry before using electrical equipment. 3. Never poke anything into electrical outlets.
• 11.
  D. Electrical Safety 4.Unplug cords by pulling the plug and NOT the cord. 5. Turn off and unplug all electrical equipment as soon as you are finished using the equipment.
• 12.
  E. Heating Safety 1.Let hotplates and microscopes cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to them. 2. Use tongs to handle hot objects.
• 13.
  E. Heating Safety ❚The only type of glassware that may safely be heated is either Kimax or Pyrex. 2. Always point the top ends of test tubes that are being heated away from people.
• 14.
  E. Heating Safety 1.Only glassware that is thoroughly dry should be heated. 2. Never leave a hotplate unattended.
• 15.
  First Aid Injury: Burns Todo: Immediately flush with cold water until burning sensation is lessened.
• 16.
  First Aid Injury: Cuts Todo: Do not touch an open wound without safety gloves. Pressing directly on minor cuts will stop bleeding in a few minutes.
• 17.
  First Aid Injury: Fainting Todo: Provide fresh air and have the person recline so that their head is lower than the rest of their body.
• 18.
  First Aid Injury: Theeyes To do: Flush eyes immediately with plenty of water for several minutes. If a foreign object is lodged in the eye, do not rub the eye.