de Glossar

Terms

Lambert-Beer Law:

Fex = Fin · 10-k·c·d

Absorbance
(previously referred
to as "extinction E")

A = lg ( l / t ) = lg (Fin / Fex)

A = k · c · d

Absorption coefficient:

a = A / d

a = k · c

Transmittance:

t = Fex / Fin

Fex

Radiant power, transmitted
(previously referred to as "intensity")

Fin

Radiant power, received

k

Relative absorption coefficient
(previously referred to as
 "extinction coefficient e")

c

Concentration in mol/l

d

Path length of the measuring cell in cm

Index

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