Asked by Alex
Why are different wavelengths used for red and blue dye in a spectrophotometer?
Also..does a spectrophotometer measure concentration or absorbance?
Also..does a spectrophotometer measure concentration or absorbance?
Answers
Answered by
bobpursley
They can measure reflectance or absorbance.
http://en.wikipedia.org/wiki/Spectrophotometer
http://en.wikipedia.org/wiki/Spectrophotometer
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