
Digital Colorimeter #5

by Science Photo Library
Title
Digital Colorimeter #5
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Digital colorimeter measuring a sample. The colorimeter measures the absorbance of different wavelengths of light by a liquid sample. The absorbance is directly proportional to the concentration of the absorbing substance, according to the Beer-Lambert Law. Here a sample of distilled water shows zero absorbance. Absorbance is measured on a logarithmic scale from 0 to infinity, although 0 to 2 is the most useful range.
Uploaded
August 8th, 2016
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