242 Manual Su11 - CHEMISTRY 242 Summer 2011 Organic...

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CHEMISTRY 242 Summer 2011 Organic Chemistry Laboratory James G. Patterson Department of Chemistry University of Washington
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T ABLE OF C ONTENTS Part I: General Information Laboratory Safety 1-4 Working with Equipment and Glassware 4-5 Working with Chemicals 5-6 7 Research Notebook 8-9 Sample Prep Prelab 10 11 Equipment/Supplies Check Out Procedure 12 Organic Chemistry Glassware 13 Part II: Experiments Experiment 1: Synthesis of Azo Dyes 14-20 Experiment 2: Qualitative Analysis 21-25 Q.A. Chemical Locations 26-28 Infrared Sample Preparation Techniques 29-30 Experiment 3: Biodiesel 31-33 Experiment 4: Azo Dye Paint Lab 34 Part III: Lab Result Forms Azo Dye Paint Lab 35 Biodiesel 36-37 Qualitative Analysis 38-44 Azo Dyes Synthesis 46 ii
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L ABORATORY S AFETY Non-compliance with the rules/guidelines below may result in the removal from lab and/or will receive a deduction of ‘lab safety/clean up’ points. Safety in a chemical laboratory is mostly a matter of common sense coupled with knowledge of the hazards associated with the materials used by you and your neighbors. A good perception of your surroundings is also very important in a chemical laboratory. This state of mind requires your full attention. If there is anything that is unfamiliar or doesn’t seem right, stop what you are doing and ask your TA or the support staff for guidance. Don’t just plow ahead if anything looks wrong. No one will be criticized for asking. It is, however, critical that you arrive prepared for the laboratory, having worked out the procedures in your own mind and lab notebook so you know what you’re going to do. Safety is an important aspect of this class and we want you to think about safety as you read this lab manual and, especially, as you work in the lab. Approach this course with a communal spirit. The success of a laboratory course of this size depends on the cooperation of each individual. Take care of yourself and your neighbors. Immediately warn your neighbor if you see him/her doing something dangerous. Accidents happen, even if you are using common sense, someone else in the lab probably isn’t. An example of good communal spirit would be if you see your neighbor looking at their reaction by putting their head in the hood, remind them to take their head out of the hood and lower the sash to watch their reaction through the glass. They would much rather hear this message from you than teaching staff and lose safety points. Respect the fact that other students use the common laboratory equipment, such as balances, melting point apparatuses, hoods, etc. Maintain your work area in a reasonable state of neatness so other students will walk into a clean/organized space just as you did. For example, the balances must be kept clean, hood bench tops wiped down, and waste jugs emptied. Reagents must be capped and left in their proper place so that fellow students do not waste time looking for them. The most important safety rule is to THINK!
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This note was uploaded on 01/19/2012 for the course CHEM 242 taught by Professor Staff during the Summer '08 term at University of Washington.

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242 Manual Su11 - CHEMISTRY 242 Summer 2011 Organic...

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