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Establish calibration curve for measuring concentration

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Question

A chromophore is pipetted according to the scheme in table 1 to establish a calibration curve for measuring the concentration of the chromophore in an unknown solution. The absorbance measurements are obtained at the wavelength of maximum absorption for the chromophore, for three independently pipetted test tubes at each concentration level. B, reference blank solution. Construct a reference-corrected calibration curve for the chromophore and upload the saved image file for the graph in the Atto window provided (NB: Please view the video showing how to upload images to the Moodle Atto window prior to attempting this quiz). Your calibration curve must plot the average reference-corrected absorbance measurements ± the standard deviation (as error bars) as a function of the standard chromophore concentration. What does the standard deviation measure, statistically?

Reference no: EM133410278

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