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I'm writing a paper that discusses wavelength.
Which is correct: maximum absorbance or maximum absorption?

I guess both absorbance and absorption are used in the context of wavelength but which to use depends on what is meant.
Am I correct?
If correct, what is the difference between these two terms?

Thank you in advance!!

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1 Answer 1

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X has maximum absorbance means X has the maximum ability to absorb something, as in capacity. The amount of something actually absorbed may be less than the maximum.

X has maximum absorption means X absorbed all it can take. We may or may not know the maximum capacity, but if we know it can't absorb any more, we just found that out.

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  • Thank you! So now maximum absorption or absorption maximum would be the right term for what I mean, which is an actual amount. I have one more question left, the order of the two words... Google search gave similar numbers of hits (when searched in combination with "optical density"). Commented Nov 2, 2017 at 21:58
  • Maximum goes first.
    – LawrenceC
    Commented Nov 3, 2017 at 12:52

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