Chem 287_Chapter 22

Chem 287_Chapter 22 - Lectures: Classical Methods of...

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Lectures: Classical Methods of Chemical Analysis 1 Midterm 1: October 13th The exam is from 18:00 to 21:00 (max). For the exam there are two rooms. You will guided where to sit. Students with last name starting with A-K should go to O.M. 112 All the rest should go to the Adams Auditorium. If you are in the Adams group, I encourage you to find the Adams Auditorium well before the exam. If you arrive late, you will still only have until 21:00. If you have discussed with us taking the exam early because of a confirmed overlap with another exam that night, meet at Dr. Salin's office (OM212A) at 15:00 AND send an email confirming that you will be there. Note that all data storing calculators must be zeroed out/blanked IN FRONT OF THE INVIGILATOR. If you need to do this, try to come about 10 minutes early. No graphical calculators (with linear regression formulae) are allowed. Gas Chromatography To be covered Chapter 22 Problems: 1,2,4 To be covered: 1) Principles 2) Instrumentation 3) Applications
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Lectures: Classical Methods of Chemical Analysis 2 Gas Chromatography Vaporization of sampl Vaporization of sample – Gas-solid • Physical absorption – Gas-liquid • Liquid immobilized on inert solid developed in 1941 by Martin and Syng developed in 1941 by Martin and Synge • applications did not come till 1950s GC ADVANTAGES 1. Very good separation 2. Time (analysis is short) 3. Small sample is needed - l 4. Good detection system 5. Quantitatively analyzed
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This note was uploaded on 07/15/2011 for the course CHEM 287 taught by Professor Burns during the Fall '08 term at McGill.

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Chem 287_Chapter 22 - Lectures: Classical Methods of...

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