Mada za sehemu hiiLaboratory Techniques And SafetyMada 5
- Introduction
- Rules and safety precautions in a chemistry lab
- Safety measures for a chemistry lab
- First aid and first aid kit
- How to provide first aid to an accident victim
- Do not enter or do any experiment without permission from the laboratory technician.
- Never eat, drink or taste anything in the laboratory even when you know what it is.
- Always work carefully in the laboratory and avoid running.
- Immediately report all accidents to your teacher even if it's minor.
- Wash your hands with soap and clean water after you come in contact with dangerous chemicals.
- Always put out any flames not being used.
- Handle all glassware with great care because it breaks easily.
- Use gloves or tongs to hold glassware when heating. This will prevent you from burning your fingers.
- Never carry filled reagent bottles or a volumetric flask by their neck as it may cause them to break.
- Never position the open end of the test tube towards yourself.
- Use a test tube holder to hold the test tube when heating.
- Keep your face away from the reaction vessel to avoid inhaling poisonous fumes.
- Always ensure that the windows are opened to allow ventilation.
- Never smell a substance or gases directly.
- Never use unlabeled chemicals.
- Always use a clean spatula or spoon when taking a portion of one chemical.
- Never smell any chemical directly.
- Never use your bare hands to hold chemicals.
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