safety-in-academic-chemistry-laboratories-students

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Unformatted text preview: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 3 4 4 5 5 5 6 6 6 7 7 8 8 9 9 2. Guide to Chemical Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Toxicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Exposure Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Sources of Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Material Safety Data Sheets (MSDSs) . . . . . . . . . . . . . . . . . . . . . . . 12 Understanding an MSDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Reading MSDSs and Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 The Properties of Chemicals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Learning Chemistry from an MSDS . . . . . . . . . . . . . . . . . . . . . . . . . 20 Classifying Hazardous Chemicals . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Solvents and Their Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Acids and Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 A Few Examples of Toxic Materials . . . . . . . . . . . . . . . . . . . . . . . . . 23 Organic Peroxides and Peroxide Formers . . . . . . . . . . . . . . . . . . . . . . 24 VI students short index 1/15/03 12:45 PM Page VII 3. Recommended Laboratory Techniques Working with Chemicals and Apparatus . . . . Equipment Use . . . . . . . . . . . . . . . . . . . Laboratory Hoods . . . . . . . . . . . . . . . . . Precautions for Using Electrical Equipment . . Centrifuges . . . . . . . . . . . . . . . . . . . . . Using Steam . . . . . . . . . . . . . . . . . . . . Using High-Pressure Air . . . . . . . . . . . . . Ultraviolet Lamps . . . ....
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