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The Determination of Moisture in Some Solid Materials by Near Infrared Photoacoustic Spectroscopy

Volume 36, Number 2 (April 1982) Page 120-124

Jin, Q.; Kirkbright, G.F.; Spillane, D.E.M.


An improved technique for the determination of moisture in synthetic single-cell protein, paper, and powdered milk substitute utilizing photoacoustic spectroscopy at 1.93 μm is described. A conventional scanning dispersive system and a simple interference filter assembly have been used.