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CHM 121 Finding Isotopic Abundances Using GC/MS Lab Report $11.99
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CHM 121 Finding Isotopic Abundances Using GC/MS Lab Report

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  • October 20, 2024
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Finding Isotopic Abundances Using GC/MS

By: Jonathan Pilafas (performed on 9/24/2018)



Purpose: The objective of this lab is to determine the isotopic abundances found in isotopes of

chlorobenzene and bromobenzene using a gas chromatograph and a mass spectrometer.



References:

1. “Laboratory Experiments for Chemistry 121” - Harper College

2. http://dept.harpercollege.edu/chemistry/msds1/chlorobenzene.pdf

3. http://dept.harpercollege.edu/chemistry/msds1/Bromobenzene%20ScienceLab.pdf

4. http://dept.harpercollege.edu/chemistry/msds1/Hexane.pdf

5. “Mass Spectronomy Pre-Lab Assignment” - Harper College

6. “Inorganic Nomenclature” - Harper College

7. “GCMS of Chlorobenzene and Bromobenzene” - Harper College



Reagents:



Name Molecular Weight Boiling Point

Chlorobenzene 112.56 g/mole 132 °C

Bromobenzene 157.02 g/mole 156.2 °C

Hexane 86.18 g/mole 69 °C

, Safety:

Chlorobenzene - Health 2, Fire 3, Reactivity 0

Bromobenzene - Health 2, Fire 2, Reactivity 0

Hexane - Health 2, Fire 3, Reactivity 0


Instruments:

- Gas Chromatograph: Hewlett Packard GC System 6890 Series




- Mass Spectrometer: Hewlett Packard Mass Selective Detector 5973

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