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6
Calibration of the Instrument for
S E C T I O N 6
Measurement Analysis
In the Analysis mode, the Orion 2230XP Silica Analyzer measures the absorbance of light
through the sample, and compares the result with the absorbance of light through a standard
solution of known concentration.
The Method of Analysis defines the detection wavelength for Silica. It is set at 810 nm.
Theory of Calibration
Using two known standards, one of low concentration and the other of high concentration, the
absorbance for each concentration is measured and the slope and intercept are calculated from
the calibration curve as shown below:
2230XP Silica Analyzer
Thermo Scientific Orion
38
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