Presentation on theme: "Chemistry Laboratory 1- General Safety Rules 2- Chemical Safety 3- Glassware and Equipment."— 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