What is meant by the term "absorbance" in spectrophotometry procedures.?

1 Answer
mrpauller.weebly.com
Mar 9, 2017

Absorbance tells you how much light is absorbed by a sample. Transmittance tells you how much light passes through the sample without being absorbed.

Explanation:

The relationship between absorbance and transmittance is given by the following equation

#A=-log(%T)#

Here is a video showing an experiment to determine the concentration of an unknown sample of iron (III) chloride.

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