Chapter 8
|
Absorbance, % Transmittance and Concentration Measurements
Thermo Scientific
Orion AquaMate Spectrophotometer User Manual
|
159
Absorbance Difference
The Absorbance Difference application measures the difference in absorption at two different
wavelengths. Reference wavelength correction is available to eliminate the effects of a sample
matrix. Typically used in quality control applications, an absorbance difference application
provides a convenient and quick diagnostic test for sample quality. This section covers:
•
Setting Up Test Parameters
•
Taking Measurements
•
Recalling a Test
Setting the Parameters for Absorbance Difference Method
1.
Press the test key to access the Test Types menu.
2.
Press the ▲or ▼ key to highlight Absorbance Difference and press the enter key.
3.
Highlight and change the displayed test parameters, including Test Name, Wavelength 1,
Wavelength 2, Factor 1, Factor 2, Units and Sample Positioner. See the
section for more information on the test parameter settings.
4.
Press the Save Test function key and follow the onscreen prompts to save the test.
Содержание Orion AquaMate UV-Vis
Страница 2: ......
Страница 7: ......
Страница 128: ...Chapter 6 Standard Curve Test Menu 128 Orion AquaMate Spectrophotometer User Manual Thermo Scientific ...
Страница 135: ...Chapter 7 Wavelength Scanning Test Menu Thermo Scientific Orion AquaMate Spectrophotometer User Manual 135 ...
Страница 212: ......