PN 350-025004-09
Page | 15
Liquid Samples
One minute, 4 cm
-1
resolution spectra of a dilute detergent solution and distilled water were collected
using the MIRacle with diamond crystal. These samples were simply applied directly onto the MIRacle
diamond ATR crystal for analysis.
The red spectrum is the detergent solution and the blue spectrum is that for distilled water. A spectral
subtraction can be applied to obtain the spectrum of the detergent component.
Figure 9. Liquid detergent and water spectra
Solid Samples
For the analysis of solid samples the pressure clamp of the MIRacle is required. The sample is placed
face down onto the diamond crystal and force is applied to make intimate contact onto the ATR crystal.
The MIRacle accessory enables to position the sample to a feature area to ensure that the spectrum
collected is taken from the desired location on the sample.
Distilled H
2
0
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