What is the charge of the particle being accelerated in a mass spectrometer?

In summary, U = qV for Mass Spectrometer is an equation used to determine the mass-to-charge ratio of particles in a sample. It is applied by ionizing a sample and measuring the kinetic energy of the resulting charged particles. Factors such as the stability and accuracy of the potential difference, particle charge, and external factors can affect the accuracy of this equation. However, it assumes that all particles have the same charge and that the potential difference is constant and accurately applied, leading to potential limitations and errors in the analysis.
  • #1
mrbling
14
0
Given: A proton is accelerated up to KE before it exits into a magnetic field and is deflected.

Question: What voltage battery is required accelerate the proton to that energy?

So I use U = qV

the question is.. what is Q.. is q the charge of the proton being accelerated through the electric field, or is q the charge of the electron that is traveling through the circuit to power the electric field?

Thanks
 
Physics news on Phys.org
  • #2
The proton being accelerated.

cookiemonster
 
  • #3
~+1.602(10-19) Coulombs
 

1. What is U = qV for Mass Spectrometer?

U = qV for Mass Spectrometer is an equation that relates the kinetic energy (U) of charged particles in a mass spectrometer to the potential difference (V) and charge (q) of those particles.

2. What is the purpose of using U = qV in Mass Spectrometer?

The purpose of using U = qV in Mass Spectrometer is to determine the mass-to-charge ratio (m/z) of particles in a sample. This is a crucial step in identifying and analyzing the different components of a sample.

3. How is U = qV applied in Mass Spectrometer analysis?

In Mass Spectrometer analysis, a sample is ionized, and the resulting charged particles are accelerated by a potential difference (V) towards a detector. The kinetic energy (U) of these particles is then measured, and the mass-to-charge ratio (m/z) can be calculated using the equation U = qV.

4. What factors affect the accuracy of U = qV in Mass Spectrometer analysis?

The accuracy of U = qV in Mass Spectrometer analysis is affected by several factors, including the stability and accuracy of the potential difference (V) applied, the charge (q) of the particles, and any other external factors that may influence the movement of the particles.

5. Are there any limitations to using U = qV in Mass Spectrometer analysis?

Yes, there are limitations to using U = qV in Mass Spectrometer analysis. This equation assumes that all particles in the sample have the same charge and that the potential difference (V) is constant and accurately applied. Any variations in these factors can lead to errors in the analysis.

Similar threads

What I do not understand about mass spectrometers
    • Introductory Physics Homework Help
Replies
28
Views
1K
Mass spectrometer with a Lead element
    • Introductory Physics Homework Help
2
Replies
40
Views
2K
Charges of ions in a mass spectrometer
    • Introductory Physics Homework Help
Replies
1
Views
1K
Balance of forces for two charged spheres hanging from the ceiling
    • Introductory Physics Homework Help
Replies
18
Views
1K
How Is Current Calculated in a Mass Spectrometer?
    • Introductory Physics Homework Help
Replies
3
Views
1K
Mass spectrometer problem -- Need help
    • Introductory Physics Homework Help
Replies
3
Views
2K
Circular Motion in a Simple Mass Spectrometer
    • Introductory Physics Homework Help
Replies
4
Views
4K
Finding the speed of a proton in a mass spectrometer
    • Introductory Physics Homework Help
Replies
2
Views
2K
Find net velocity of charged particle in electric field (symbols only)
    • Introductory Physics Homework Help
Replies
14
Views
2K
Why is source force + electrostatic force = 0 inside battery?
    • Introductory Physics Homework Help
Replies
10
Views
166

Hot Threads

Recent Insights

Back
Top