Solving the Properties of Iron Ions Fe2+ and Fe3+

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SUMMARY

The discussion focuses on the properties of iron ions Fe2+ and Fe3+ in the context of mass spectrometry. It establishes that Fe2+ ions will travel faster and have a larger radius than Fe3+ ions due to their lower mass-to-charge ratio. The equation m = qBr/2V is referenced to explain the relationship between mass, charge, magnetic field strength, and velocity. The conversation emphasizes the importance of understanding ionization levels to avoid complications in mass spectrometry measurements.

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  • Understanding of mass spectrometry principles
  • Familiarity with ionization states of elements
  • Knowledge of the equation m = qBr/2V
  • Basic concepts of magnetic fields and their effects on charged particles
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  • Research the differences between Fe2+ and Fe3+ in mass spectrometry
  • Learn about the effects of ionization on mass-to-charge ratios
  • Explore the principles of magnetic fields in mass spectrometers
  • Study the implications of multiple ionization on mass spectrometry results
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Chemists, mass spectrometry technicians, and students studying analytical chemistry who seek to understand the behavior of iron ions in mass spectrometry.

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[SOLVED] Iron ions

I am curious about the properties of iron ions fe2+ and fe3+. As they are accelerated in a mass spectrometer, which would travel faster and have the largest radius. I understand that they have lost electrons and have a marginal loss in mass, as well I understand that a positively charged ion will attempt to return to a neutral state. However how do I prove it with the following:

m= qBr/2V, understanding that both B and r are squared.

Any help would be great, thanks.
 
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Mass spectrometer strictly speaking measure mass/charge ratios - so an Fe2+ ion would behave the same as a Al+ ion with half the mass.
You generally try not to multiply ionize atoms to avoid this!

(My wife is the MS expert but she's at work)
 
thanks
 

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