Pages in this set

Page 1

Preview of page 1

Mass spectrometry

Above is an image of a mass spectrometer. The first stage is ionisation. This is where
the sample if ionised. Ionisation is the process by which electrons are knocked off of the
atoms/molecules. This causes ions to be made. The electrons are knocked off of the
atoms/molecules by…

Page 2

Preview of page 2

, where an electric field is
used to accelerate the ions to the same speed. This means that they enter the third
stage with the same speed. This electric field can be altered to change the speed of the
ions. The ions then pass into a magnetic field. This deflects…

Page 3

Preview of page 3

The graph is m/z (mass/charge ratio) vs percentage abudance or relative intensity. The
graph here shows the spectrum of CH3CH2N(CH3)CH2CH3. The furthermost peak is
called the parent ion. This is the whole molecule and therefore has the greatest mass. All
of the other peaks are fragments. Fragments form in the…


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »