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Spectrometer
User Manual
Figure 10.3. Sample loaded into holder.
Change the Measurement Type to absorption. Uncheck the background and reference spectra in
the workspace. Take a Single Shot measurement. Absorption measurements generally have a
value between 0 and 4, so the y-axis needs to be scaled to see the spectrum. This can be done by
right-clicking on the plot and selecting 'View All'. The absorption spectrum of the sample is shown
in Figure 10.4. Note the data outside of the light source emission range (approximately 370 nm –
850 nm) appears extremely noisy. This is because you cannot calculate the absorption of light if
there is no light to be absorbed, therefore this data should be discarded.
Figure 10.4. Absorption spectrum.
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