8. When constructing a calibration graph for photometric determination, the following data were obtained (see table).
Calculate the optical density and plot its dependence on concentration. Do these data indicate a deviation from the Bouguer-Lambert-Beer law, and if so, are they negative or positive.
Concentration, mg/dm3 0 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00
I0,% 98.0 37.0 100.0 100.0 100.0 99.0 98.2 100.0 100.0
I,% 98.0 77.2 63.5 50.0 41.3 33.5 27.9 23.4 20.3 18.1 16.4

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