Lab 1 lab safety

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Information about Lab 1 lab safety
Education

Published on March 13, 2014

Author: urusanjum

Source: slideshare.net

Lab-1: Lab Safety Introduction: The chemistry laboratory is a placewhere we use of hazardous chemicals and materials.Work with Safety in the no.1 priority in the lab. Resource: pubs.acs.org Purpose: If we are not taken precautions during experimentsis can be dangerous. Every effort has been made to eliminate the use of explosive, highly toxic, and carcinogenic substances from the experiments which we will perform. We must learn and adhere to the general safety guidelines to ensure a safe laboratory environment for both ourselves and the others we may be working near. GENERAL RULES:  No food, Beverages and Gum in the labs.

 No Cell phone usage in the lab.  Don’t work in the lab without an instructor.  Read all lab procedures, precautions, and equipment instructions thoroughly before each lab.  Follow all written and verbal instructions carefully. Perform only those experiments authorized by the instructor  If during the lab don't understand, stop and ask the instructor before proceeding.  Never do anything the lab that is outside of instructor’s directions or that is not in lab procedure.  Do not begin lab activities; touch any chemicals or equipment until instructed to do so.  Only necessary should be on workbench. Keep aisles clear.  Know where the safety equipment is and how to use it. For example - the first aid kit, eyewash station, safety shower, fire extinguisher, and fire blanket.  Know the location of the fire alarm, and emergency phone  . All materials are to be disposed of in the proper hazardous waste containers with the assistance of the instructor. All waste containers must be closed and placed inside a secondary containment bin.  If use toxic chemicals, keep hands away from face, eyes and mouth while working in the lab. Always wash your hands thoroughly with warm water and soap after experiment.  Never leave unlabeled chemical solutions sitting around.  Never put un-rinsed glassware in the wash.  Organic solvents are never to be disposed of down the sink; receptacles will be provided as needed for their collection. CLOTHING:  Wear lab goggles when using chemicals, heat glassware or projectiles.  Gloves should be worn when handling solutions, solids, specimens, etc.  Proper dress should always be observed in the lab. Long hair must be tied back. Loose or baggy clothing, dangling jewelry, hats, shorts, short skirts, bare mid riffs, high heels, sleeveless shirts, and open toed or open heeled shoes and sandals are prohibited in the lab HANDLING CHEMICALS:  Always work in a well-ventilated area. Use the fume hood when working with volatile substances or poisonous vapors, or any chemical with an odor.  Never mouth pipette chemicals. Use a pi pump or a rubber bulb. If working with organic chemicals wear safety glasses.  Never smell a chemical by sniffing. Use hand to waif the chemical towards nose.  Do not taste, touch or smell anything unless instructed to do so  Check each label twice before removing any of its contents. Take only what is needed of each chemical.

 Never return unused chemicals to their original container; put it in the waste container.  Use a scoop or spatulato transfer solid chemicals.  Use a rubber bulb, pipette, or pi-pump when transferring liquid chemicals.  Handle hazardous liquids over a pan to contain spills.  Never handle flammable liquids anywhere near an open flame or heat source.  Be careful when transporting chemicals across the lab. Hold securely and walk carefully.  Never pore chemicals into sink. Waste should be disposed of in the proper hazardous waste container. GLASSWARE:  Never handle broken glass with bare hands  Contaminated trash goes in the biohazard bin.  Fill wash bottles only with distilled water.  Never used chipped, cracked or dirty glassware to avoid shattering.  Never immerse hot glassware in cold water. It may shatter.  Never place dirty glassware with the clean glassware. HEATING SUBSTANCES:  Use caution when using a gas burner. Do not put any substances into the flame unless specifically instructed to do so.  Never reach over an exposed flame. Never leave a lighted burner or hot plate unattended. Always turn the burner or hot plate off when not in use.  Do not point the open end of a test tube being heated at yourself or anyone else. Never look into a container that’s being heated.  Heated metals and glass should be set aside to cool and picked up with caution. Use tongs or heat protective gloves.  Never leave burners unattended HANDLING MICROBIOLOGY MATERIALS:  If you spill anything notify instructor immediately. There are special procedures to be followed for spills containing microorganisms.  A lab coat must be worn during lab activities  Gloves must be worn at all times when working with bacteria. Gloves need to be disposed of in the biohazard waste container.  All contaminated waste must be disposed of in the biohazard container  Clean lab bench with Lysol after each lab. The bench surface must remain wet for at least five minutes for the Lysol to destroy any microorganisms.  Wash hands thoroughly before and after each lab as well as before leave the lab/  Dispose of contaminated broken glass in the biohazard bin.

 Wrap the broken glass in paper towels before disposal. Conclusions: There are lots of chemicals and every chemical has its own hazardous characteristics.In addition to safety matter regarding the hazards of the chemical may be use the Merck Index. It is always better to ask questions to the instructor than to risk harm to ourselves or damage to the equipment. Summary Statement: Follow the general rule Improve the culture and practice of safety in academic laboratories.Some rules are NOT made to be broken. That is true of the rules used in a chemistry lab. Resources: pubs.acs.org Lab Safety Contract of Massbay Community college

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