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calibration curve



 
 
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Old February 17th, 2006, 01:05 PM posted to microsoft.public.excel.charting
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Default calibration curve

I am setting up a chemistry calibration curve using data below

OD reading Concentration
..020 0
..045 10
..245 40 etc

Plotting in XY scatter chart and get trendline using polynomial function.
How can I determine the concentration of an unkown solution ? I want to use
trendline data to do this.


 




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