Introduction Chemistry Done by : SahaR al-Subaie

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Introduction Chemistry Done by : SahaR al-Subaie safety and some laboratory tools 2013 -2014

Lab Safety Ignorance of rules and regulations will result in accidents to yourself and your friends.

Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the teacher immediately, no matter how trivial it seems. Do not panic.

Never attempt unauthorized experiments.

Keep work places clean and free of unwanted chemicals, biological specimens.

Wear laboratory coats. Wear gloves.

Wear safety glasses at all times in the lab.

Don’t wear open shoes.

Face masks in case of a risk of dust from chemicals or an aerosol of microorganisms.

Tie back long hair when working in the lab

Do not eat or drink in the lab. Do not use laboratory glassware as containers for food or beverages.

Do not use lab refrigerator for food storage.

weight disposable gloves should be worn during weighing and handling chemicals to avoid risk of absorption through the skin.

Do not taste, or smell any chemicals.

Do not use unlabeled bottle.

Work only with materials once you know their flammability, reactivity, toxicity, safe handling and emergency procedures.

Never pipette by mouth; use mechanical transfer devices.

Do not mix chemicals in the sink.

If a chemical was splashed in your eye(s) or on your skin, immediately flush with running water for at least 20 minutes. Immediately (and loudly) yell out the teacher's name to get the teacher's attention.

If you or your lab partner is hurt, immediately (and loudly) yell out the teacher's name to get the teacher's attention. Do not panic.

Walk DON’T run in the lab.

Keep exits and passageways clear at all times.

Turn of gas, water before leaving.

Wash your hands thoroughly before leaving the laboratory.

Lab. Tools Filter Flask Volumetric Flask

Beaker Funnel

Distilling Flask Flask Erlenmeyer

Micro Pipette Pipette Aid Measuring (Graduated) Pipette Transfer (Plastic) Pipette

Test Tube Brush Test Tube Rack Test Tube Test Tube Holder Test Tube Brush Test Tube Rack

Thermometer Graduated Cylinder

Ring Stand Burette

Spectrophotometer Cuvette Evaporating dish Mortar and pestle

Laboratory Signs and Symbols Toxic Oxidizing Biohazard Radioactive

General danger Explosive Electrical hazard Flammable

Corrosive Harmful