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Summary

Summary Chapter 17 Mass spec and IR spectroscopy notes

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2023/2024 Written for academic year
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OCR
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Spectroscopy chapter 17 (H432)
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Detailed notes on chapter 17 from the OCR chemistry textbook, covering mass spec and IR spec

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Mass Spectrometry

Mass Spec Calculate Molecular Mass
Sample e
gun tue ion molecularion

molecularmasse spectrometer E detect m le ratio



Process
Stages I Ionisation
x4 Sample vapourised gaseousatoms
e
gun e beam hit atoms
Atoms lose Ix e Unipositive ions

T unstable exist forttime
N By Assume allions unite
formonly ltions
é
gun energy set

2 Acceleration
a e field acceleratetue ions A speeds
Particles must be ionised Charged Accelerate
Dex
3 Deflection sameycharge
Magnetic electricfield deflections me force
Samedeflection force on all pions
Deflection Radius dep mass chargeratio
Assume same charge T'mass t deflection t radius
h mass A deflection t radius

Pathdep I mass 2 Charge MIZ

I Detection
Electrometer photographic detection

Trends Same m z same path
Separationof tions dep on mass

, 1 Ion Source 2 Analyser 3 Detector
Connected book
image
Unknown A-Level Chemistry for OCR A
Publisher: Unknown ISBN: 9781789086683 Edition: Unknown

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Study Level
A/AS Level
Subject
Chemistry A
Summarized whole book?
No
Which chapters are summarized?
17
Uploaded on
July 7, 2024
Number of pages
10
Written in
2023/2024
Type
Summary
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Subjects

  • a level chemistry
  • ocr chemistry
  • ocr
  • chemistry
  • spectroscopy
  • mass spectroscopy
  • ir spectroscopy

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