Determination of moisture in single-cell protein utilising photoacoustic spectroscopy in the near-infrared region
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 105 (1256) , 1076-1081
- https://doi.org/10.1039/an9800501076
Abstract
The determination of moisture in single-cell protein utilising photoacoustic spectroscopy and measurements at 1.9 and 1.55 µm is described. Some control of the particle-size range of samples is found to be necessary and linear calibration graphs are obtained with a relative standard deviation of 0.04 over the moisture range of about 0–12%m/m. The results obtained using photoacoustic spectroscopy are compared with those obtained using a low resolution nuclear magnetic resonance technique.Keywords
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