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No.
Component
6
Entrance slit
7
Mirror
8
Optical grating
9
Mirror
10
Reference mirror
11
Reference detector
12
Flow cell
13
Detector
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Description
Limits the bandwidth of the light that is directed to the flow
cell.
Directs the light to the optical grating.
Grating (1800 l/mm) selects the wavelength of light
impinging on the sample.
Directs the diffracted, monochromatic light from the grating
to the flow cell.
Directs part of the light beam to the reference detector. The
reference mirror is installed in front of the flow cell.
Provides a reference signal that compensates for fluctuations
in the intensity of the light source.
Provides the measurement site for sample absorbance. The
mobile phase with the analyte travels through the flow cell.
The measurement beam travels through the flow cell to the
detector.
Measures the light intensity of the measurement beam after
absorbance though the sample.
2 • Description
15
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