Name:                                                         Date:                                                     

School:                                                        Class:                                                    
 

 
Measurement of Standards

Concentration mg/L as N03-	Absorbance	Comments
0.00
2.00
4.00
6.00
8.00
10.00

From these numbers, prepare a standard curve on graph paper and attach this sheet.  Use this curve to find concentration of samples (see directions "Preparing a Calibration Curve and Converting to mg/L")
 

Measurement of Samples

Bottle #	Site #	Absorbance	Conc. mg/L   (use std. curve)	Comments

 
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