What method would help me to quantitatively evaluate the tranparency of such samples?

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Eef Dirksen

Hi,

Perhaps you could use turbidity (or nephelometry) measurements?

James E. McLean

If you have access to a light intensity instrument, you could shine a constant light through the subject (such as with an LED flashlight) and measure its intensity.

Jakub Jagielski

Thank you Eef Dirksen , James E. McLean !

Eventually have I came up with the idea I can measure A600 on NanoDrop and it works just fine.