10A 10B Mass Spectrometry

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6 Terms

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Relative Atomic Mass

the weighted average of all the different relative isotopic masses of an element

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mass spectrometry

-determine the relative masses of molecules

-generates and detects positively charged ions from the original molecular element or compound

-destructive technique

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limitation of mass spectrometry

-requires pure samples

-does not offer direct structural information, only provides molecular mass

-not suitable for non-volatile compounds

-is a destructive technique

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isotopic mass spectroscopy

-number of peaks indicates the number of isotopes

-position of the peaks on the x-axis indicates relative isotopic mass

-the height of the peaks indicates the percentage abundance of each isotope

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types of mass spectrometry

1.isotopic mass spectroscopy

2.molecular mass spectrometry

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Spectroscopy

study of how electromagnetic radiation and matter interacts, uses infrared radiation