Horiba Scientific FluoroMax-4 Operation Manual page 125

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FluoroMax -4 & FluoroMax -4P with USB rev. D (30 Jul 2012)
1
Rotate the cuvette 90° and rerun the scan.
If the problem goes away, then the problem was due to the cuvette surface. Clean or use
a different cuvette.
Or
1
Clean the cuvette.
2
Fill with fresh, double-distilled, de-ionized water.
If the problem goes away, then the problem was due to contaminated water.
Light not striking cuvette
The following graph shows a normal water-Raman scan with a superimposed problem
scan.
Here the problem is low intensity of the water signal when compared with the superim-
posed typical water Raman scan. To resolve this problem:
1
Make sure the cuvette is filled to the proper lev-
el.
Light should fall on the sample, and the meniscus should not be in the light
path.
7-7
Troubleshooting