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study source was downloaded by 1205308 from cliffsnotes.com on 02-21-2026 07:28:43 GMT -06:00


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1) Based upon your absorption spectrum of DCPIP, record your maximum Absorbance Value
(O.D.) and the λmax(nm) that corresponds to the maximum absorbance value of your sample.
(0.5 pt)
Absorbance Value at λmax: 1.024 O.D.

Wavelength at λmax: 594.4 nm


3) DCPIP standard curve
a) Graph the quantitative relationship between absorbance and DCPIP concentration using the
DCPIP standard curve absorbance values that you recorded. See the Correlation and
Regression Analysis page in bCourses. Use an xy scatterplot chart type in Excel, and fit the
data with a linear trendline. Show the equation of the trendline and R2 value on the graph.
Save the graph in Excel as an image (Ctrl Click on the graph > Save as Picture or take a
screenshot) and paste the image below. (1 pt)




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