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Bell Ringer ( 2 nd , 4 th period). Name the following lab equipment and tell me its function. Have: Signed Syllabus, Photo Release, and Safety Contract on Desk. Hazard symbols How many can you name?. BIOHAZARD. RADIOACTIVE. CORROSIVE. IRRITANT/HARMFUL. FLAMMABLE. HIGH VOLTAGE.
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Bell Ringer (2nd, 4th period) • Name the following lab equipment and tell me its function. Have: Signed Syllabus, Photo Release, and Safety Contract on Desk
Hazard symbolsHow many can you name? BIOHAZARD RADIOACTIVE CORROSIVE IRRITANT/HARMFUL FLAMMABLE HIGH VOLTAGE EXPLOSIVE TOXIC/POISON OXIDIZING ENVIRONMENTAL HAZARD
NFPA CHEMICAL HAZARD LABEL FLAMMABILITY HEALTH REACTIVITY (STABILITY) SPECIAL
0 Least Serious 4 Most Serious 4 0 NFPA CHEMICAL HAZARD LABEL 4 3 2 Flammable vapor which burns readily Substance is stable
NFPA CHEMICAL HAZARD LABEL Complete Label for Phosphine
MSDS (Material Safety Data Sheet) • On file for all purchased chemicals • Available online at www.flinn.com • Includes all information shown on a chemical label and more
Hazard Rating Severe Serious Dangerous Minor 0 Slight Describe this chemical based on the information provided. NFPA diamond 3 1 0 OX • Other special hazards: • SA = simple asphyxiant • = reacts with water
Bell Ringer (3rd, 4th,5th, 6th period) • Draw a NFPA safety diamond for the substance given the following information: Reactivity – 0, Health – 1, Flammability – 3 • Describe the chemical based on this information. • Describe what safety precautions should be taken for a chemical with the following MSDS info: Have: Signed Syllabus, Photo Release, and Safety Contract on Desk
desiccator triple beam balance policeman Glass stirring rod Utility clamp Watch glass
Beaker tongs Safety goggles Crucible tongs apron Stirrer/hot plate
Digital balance Graduated cylinder beaker
Test tube cleaner Test tube rack Test tube Wash bottle Test tube clamp Mortar and pestle
Forceps (tweezers) Florence flask Erlenmeyer flask scoopula Volumetric flask
Clay triangle Wire mesh Ring stand Buret clamp ring
pipettes Bunsen burner and striker crucible Crucible tongs
Procedure for properly using a Bunsen burner: 1) CAUTION: Make SURE all gas valves are closed, before turning on the main gas. 2) Put safety goggles on 3) Obtain a lab burner 4) Connect rubber hose to the lab burner and gas valve, checking for holes or cracks in the rubber 5) Obtain sparker 6) Turn the gas valve on 7) Hold sparker over the top of the burner, and squeeze the handle producing sparks until the flame is lit 8) Adjust the flame's heat, by turning the air valve on the burner tube
And this is an example of a poorly adjusted burner flame This is an example of a well-adjusted burner flame
Exit Ticket • “Learning the Lab Equipment” Lab • On the sticky note, write EITHER: • One thing you learned in class today • One thing you’re still unsure about • Place sticky note in the appropriate space on the door