L16 - Lecture16 MassSpectrometry1 MS MSIntro...

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Lecture 16 ass Spectrometry 1 Mass Spectrometry 1
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S Intro MS Intro S requires gas hase ns MS requires gas phase ions MS uses magnetic and electric fields to control the path of a mpound based on mass to charge ratio (m/z) compound based on mass to charge ratio (m/z) O O O OH O O O OH m/z = 137.11192 m/z = 68.0553 Remember you pH 3p H 7 MW = 138.1278 calculate mass using the most abundant isotope
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S Intro MS Intro S requires gas hase ns MS requires gas phase ions MS uses magnetic and electric fields to control the path of a mpound based on mass to charge ratio (m/z) O O O compound based on mass to charge ratio (m/z) O O O OH OH NH NH m/z = 136.1351 NH /z = N/A pH 4 pH 1 pH 7 NH 2 MW = 137.1438 m/z = 138.1525 / m/z = N/A / 38 5 5
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S Intro MS Intro S requires gas hase ions MS requires gas phase ions MS uses magnetic and electric fields to control the path of a mpound based on mass to charge ratio (m/z), hy? compound based on mass to charge ratio (m/z), why? Couple of reasons: ontrol which ions hit the detector 1. Control which ions hit the detector Quadrupole, magnetic sector 2. Determine how fast an ion hits a detector Time of flight
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This note was uploaded on 01/05/2012 for the course CHM 410 taught by Professor - during the Fall '11 term at University of Toronto- Toronto.

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L16 - Lecture16 MassSpectrometry1 MS MSIntro...

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