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INSIGHT Software
Operation
48 Evolution 200 Series User Guide Thermo Scientific
Instrument Tab for Scan
Correction Tab for Scan
Samples Tab for Scan
Accessories Tab for Scan
Correction Tab for Scan
Click Settings in Scan to display the Correction tab in
the right pane. Three baseline correction types are
available:
Type Description
100%T baseline Standard baseline correction. The data may be acquired
using an empty holder or using solvent.
0%T or 0%R baseline Corrects for any inherent variations in the electronic zero
line of the instrument.
More:
This can be more of a factor at lower light energy levels
present in a DRA (Diffuse Reflectance Accessory) and when
working at high absorbance levels.
For more information, see ASTM method E903. The
calculation in transmission performed in the instrument is:
or
Requires a previously acquired 100%T baseline.
S - 0%T
100%T - 0%T
----------------------------------
S - 0%R
100%R - 0%R
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