BUCHI NIRCal - Manual (Page 116)

NIRCal 5.5 Software Manual
116 NIRCal 5.5 Manual, Version A
Absorbance inverse
This is simply the inverse function of the ordinate transformation into absorbance; i.e. an absorbance
spectrum will be transformed into transmission/reflectance.
Formula:
ilg = 10
-x
Type
This pretreatment is not depending on the calibration wavelengths.
Second Derivative / Logarithm
Formula:
Type
This pretreatment is not depending on the calibration wavelengths.