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Is 0.05ppm a suitable tolerance for measuring absorption on a spectrometer for beverages? At what concentration is the difference not perceptible?

April 26, 2017absorption beverages concentration measuring perceptible spectrometer suitable tolerance

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Is 0.05ppm a suitable tolerance for measuring absorption on a spectrometer for beverages? At what concentration is the difference not perceptible?

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This would depend on what color the beverages are and what you are measuring. The only way to evaluate visual tolerances is with colorimetry, PPM on spectral absorptance functions tells you very little (perhaps nothing) about visual perception.