# Absorbance

Not Reviewed
A_lambda =
Absorbance
Variable Instructions Datatype
(I_"in")"Intensity Incident" Enter the intensity incident, typically in W/m^2 Decimal
(I_"thru")"Intensity Passing Through" Enter the intensity passing through, typically in W/m^2 Decimal
Type
Equation
Category
vCommons
Contents
2 variables
Rating
ID
MichaelBartmess.Absorbance
UUID
e6d32be1-da27-11e2-8e97-bc764e04d25f

In spectroscopy, absorbance (also called optical density) is the logarithmic ratio of radiation falling upon a material, to the radiation transmitted through the material. In physics, this means the fraction of radiation absorbed at a specific wavelength.