Should I Include the Blank in My Calibration Curve Graph?

AI Thread Summary
Including the blank (0.00 concentration, 0.00 absorbance) in the calibration curve graph is unnecessary. The calibration curve should focus on the relationship between concentration and absorbance for the samples. When the curve is constructed, it inherently accounts for the blank, as the absorbance values are adjusted accordingly. Therefore, it is sufficient to plot only the relevant concentrations and their corresponding absorbances. This approach simplifies the graph while maintaining accuracy in the results.
Rujano
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Homework Statement




Hi. I have a table where there is an absorbance for a 0.00 concentration (blank). I now that I have to substract that value to to each of the other absorbances that I have, but my question is... Do I have to graph (concentration 0.00, absorbance 0.00) in the calibration curve?
 
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Rujano said:
I now that I have to substract that value to to each of the other absorbances that I have

No need for that. Simply draw a curve If you read the result from the curve it is automatically adjusted for the blank.
 

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