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Chapter 8
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Absorbance, % Transmittance and Concentration Measurements
144
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Orion AquaMate Spectrophotometer User Manual
Thermo Scientific
Using the Advanced A-%T-C Test Method
Use the Advanced A-%T-C application for absorbance or % transmittance measurements that
include a measurement delay time, or for automating the measurement of multiple samples with
a cell changer. This section covers:
•
Selecting the measurement mode (Absorbance or %Transmittance)
•
Setting Up Test Parameters
•
Taking Measurements
•
Recalling a Test
Setting the Parameters for Advanced A-%T-C Method
1.
Press the test key to access the Test Types menu.
2.
Press the ▲or ▼ key to highlight Advanced A-%T-C and press the enter key.
3.
Highlight and change the displayed test parameters, including Test Name, Measurement
Mode, Wavelength and Sample Positioner.
a.
Some parameters only appear when one of the concentration modes is selected,
while others appear regardless of the selected measurement mode. See the
section for more information on the test parameter settings.
b.
Press the ▲or ▼ key to highlight More parameters… and press the enter key to
view additional parameters displayed on the second page.
4.
Press the Save Test function key and follow the onscreen prompts to save the test.