Analytical signal in spectrographic analysis near the detection limit
β Scribed by A. I. Drobyshev; Yu. I. Turkin
- Publisher
- Springer US
- Year
- 1979
- Tongue
- English
- Weight
- 362 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-9037
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It is shown experimentally that, in stimulated Raman spectroscopy, electrostriction induced by the pump laser gives rise to a non-resonant signal detected on the probe laser. This phenomenon limits the detectivity of the experiment. A qualitative interpretation is given.
The uncertainty of values of the detection limit in chemical analysis is described considering the reasonable risk of false analyte detection and false nondetection, the number of analytical results and some other parameters of the experimental design. Calculations have been made of minimum number o