Mass Spectometry
Topic Page
Mass SpectometryQuestions
- What is mass spectrometry (MS)?
- How does tandem mass spectrometry work?
- Where are mass spectrometers used?
- Why is mass spectrometry used in forensics?
- Why is mass spectrometry useful?
- What would distinguish the mass spectrum of 2,2-dimethylpropane from the mass spectra of pentane and 2-methylbutane?
- What is the likeliest m/z value for the base peak in the mass spectrum of 3-methylpentane?
- How does the mass spectrometer work?
- What do fragment ion peaks and base peak represent?
- What is chemical ionization–mass spectrometry (CI–MS)?
- When is it better to use the electron bombardment (EI–MS)?
- When do you use gas chromatography and mass spectrometry (GC–MS) at the same time?
- What is the rule of 13?
- Why is the m/z value of the molecular ion important?
- What peaks in their mass spectra could be used to distinguish between 4-methyl-2-pentanone and 2-methyl-3-pentanone?
- How can I draw possible structures for an ester that has a molecular ion with an m/z value of 74?
- How can I determine the molecular formula for a compound that contains only C and H and has a molecular ion with an m/z value of 72?
- How can I draw possible structures for an amide that has a molecular ion with an m / z value of 115?
- What is the mass spectrum?
- How can mass spectrometry help biochemists?
- What information does mass spectrometry provide?
- What are possible structures for an organic molecule whose mass spectrum gives #m"/"z=128, 85, 71, 57, 43#?
- What identifying characteristics would be present in the mass spectrum of a compound containing two bromine atoms?
- What is mass spectroscopy?
- What are the advantages and disadvantages of mass spectroscopy?
- How does mass spectroscopy work?
- How do you read mass spectroscopy graphs?
- Why is it important that the pressure inside a mass spectrometer gets low as possible?
- Characterize adenine using #"UV-Vis"# (ultraviolet-visible), #"IR"# (infrared), #"MS"# (mass spectroscopy), and #""^(13) "C"# #"NMR"# (nuclear magnetic resonance) data?
- Question #ec345
- Question #c29ad
- Question #954ed
- Question #d7723
- Given a photoelectron spectrum, either #"F"# or #"C"# is peak #"X"# and the other is peak #"Y"#; both are the first ionization. #"X"# is further to the left and the x-axis reports increasing electron energy. Which atom corresponds to which peak and why?
- How are analyte gases ionized in mass spectroscopy? What happens afterwards?