Lab 1 Instructions

Lab 1 Instructions - Melting Point/IR Instructions Melting...

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Melting Point/IR Instructions CHM 226 Melting Point For this experiment, be sure to read the background information for the article “Measuring the Melting Points of Compounds and Mixtures” in advance. During the laboratory period, Parts 1 and 2 of the experiment will be omitted. Instead, our experiment will begin with Part 3 and conclude with Part 4 (cleaning). Infrared Spectroscopy (IR) In addition to the melting point portion of the experiment, you will need to obtain an IR spectrum of your test sample. The program that runs our IR spectrometers is called EZ Omnic. This program will likely be opened when you use the IR, but the shortcut is located on the desktop of both IR computers should you need it. To use EZ Omnic: 1. Click the “Col Smp” button to start. 2. Enter your name when the message appears asking you to enter the spectrum title and then click OK. 3. A message will appear telling you to prepare to collect the background spectrum. BEFORE you click OK, place the white circular cover onto the sample area.
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Lab 1 Instructions - Melting Point/IR Instructions Melting...

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