Chemistry Laboratory 1- General Safety Rules 2- Chemical Safety 3- Glassware and Equipment.

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Presentation transcript:

Chemistry Laboratory 1- General Safety Rules 2- Chemical Safety 3- Glassware and Equipment

General Safety Rules 1. Listen to, or read instructions carefully before attempting to do anything. 2- Carry out only the experiments assigned by your teacher

3- Protect Your Eyes Appropriate eye protection must be worn at all times! Inform your teacher if you wear contact lenses.

4- Wear appropriate protective clothing Your clothing should cover your legs to the knees – shorts are not appropriate for the laboratory Lab aprons can be used to protect good clothing

5- Wear shoes that cover your feet. Sandals and open- toed shoes do not protect your feet from broken glass that is frequently found in the lab Also, leather shoes protect your feet from chemical spills

6- Do not apply cosmetics, eat, or drink in the lab. These activities are ways by which you can accidentally ingest harmful chemicals

7- Do not taste any chemicals! 8- During lab work, keep your hands away from your face. 9-Tie back long hair. 10- Roll up loose sleeves.

11- Do not smell any chemicals directly! Smell chemicals only if your teacher specifically tells you to do so, then use your hand to fan the vapor to your nose.

12- Wash your hands with soap and water before leaving. This rule applies even if you have been wearing gloves!

13- Know the safety equipment Eye wash fountain Safety shower Fire extinguisher Emergency exits

14- Know how to use the safety equipment Eye wash Fountain Safety Shower Fire extinguisher Emergency Exit

15- Never work alone in the lab In case of a problem, you may need another person to prevent injury or even save your life!

16- Remember that the lab is a place for serious work! Careless behavior may endanger yourself and others and will not be tolerated!

Chemical Safety Chemical Safety 1- Obey all safety instructions given by your teacher or found in you experimental procedure.

2- Clean up spills immediately; IF you know how. If you are uncertain how to clean up a spill or if a large spill occurs, notify your teacher immediately.

3- Know the hazards of the materials being used. Read and reread labels carefully to make sure that you are using the right chemical. Know how to interpret data from a MSDS.

4- Pour from large containers to smaller ones. Also Hold your hand over the label while pouring.

5- Always ADD ACID to water Acid should be poured slowly into water. 6- Handle hot glassware with gloves or beaker tongs.

7- Work with volatile chemicals under a fume hood.

8- Heat test tubes at an angle.

9- Do not pipet solutions by mouth! Use a rubber suction bulb or other device to fill a pipet.

10- Never remove chemicals from the laboratory This guy put chemicals in his locker!

11- First light the match THEN Turn on the gas!

12- Know how to dispose of waste Dispose of all waste materials according to your instructional procedure or your teacher’s instructions ? ? ? ?

* Demonstrate safe behavior * Before leaving the lab: –Return equipment and chemicals to their proper places - Be sure to replace the lids to all containers - Clean up your work area

Glassware and some Equipments in the Laboratory

beakers

Glass rod

funnels

Conical

Separating Funnel

Spatula

Test Tube

Test Tube Holder

Volumetric Flask

Thermometer

Test Tube Rack

Bunsen burner

Water Bath

Hot plate

Stirrer Motor

Balance