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Analyzing Samples using Linear/ Non-Linear Calibration
The following example describes how to run samples using the linear calibration technique. It
should be noted that the same steps are carried out when using the nonlinear calibration
technique. The only difference is in setting up the calibration type. Instead of selecting linear for
the calibration type, you select nonlinear.
EXAMPLE: Determining copper using linear calibration
The procedures in this example assume that you have performed the set-up procedures in
Chapters 3, 4, and 5.
This example runs a blank, 3 standards, 2 test samples, a reslope standard, and 2 more samples.
The following steps are used in our example:
1.
Prepare solutions
2.
Enter parameters
3.
Run the blank
4.
Run the standards
5.
Run the samples
6.
Run the reslope standard
7.
Run the remaining samples
Prepare solutions
In this example, we used a copper lamp and solutions of copper for our determinations. However,
you do not have to use copper. For your convenience in making substitutions we have included a
table of recommended concentrations for Ag, Mg, Mn, and Pb.
1. Prepare about 200-250 mL of 1% v/v HNO
2. Prepare about 200-250 mL each of three standard in 1% v/v HNO
to determine. Suggested standard concentrations (mg/L) for five elements are shown in the
following table:
AAnalyst 200 User's Guide
to use as a blank solution.
3
3
of the element you want
8-5
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