Method and device for infrared analysis, especially with regard

Details Method and device for infrared analysis, especially with regard Method and device for infrared analysis, especially with regard

1992-04-23

1994-05-03

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250341, 2503581, 356418, G01N 2135

Patent

active

053089812

ABSTRACT:
In analysis of a sample of unground grain, infrared light is directed towards the sample and is detected after reflection on the sample. For analysis of wheat, light wavelengths within the interval 1050-1400 nm are used with a light detector of PbS-type. A suitable infrared analyzer has a rotatable filter device (5) with a plurality of filters (4) within the stated wavelength interval and is disposed to be able to carry out in a short time period a large number of measurements.

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Rosenthal, "Characteristics of Non-Destructive Near-IR Instruments For Grain And Food Products", 1986 pp. 1-23.
"Near-Infrared Reflectance Analysis", Analytical Chemistry, vol. 55, No. 12, Oct. 1983, By D. Wetzel, pp. 1165A-1176A.

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