초록 ▼

A near infrared quantitative analysis instrument provides for correction of wide temperature variations in unground cereal grain sample and the ambient by providing thermistors to measure the temperature of the sample and the ambient and utilizing the measurements as additional variables in multiple

A near infrared quantitative analysis instrument provides for correction of wide temperature variations in unground cereal grain sample and the ambient by providing thermistors to measure the temperature of the sample and the ambient and utilizing the measurements as additional variables in multiple regression equations.

대표청구항 ▼

An apparatus for near infrared quantitative analysis providing for correcting wide temperature variations of sample, the apparatus comprising: (a) means for holding a sample to be analyzed including at least a portion of a wall thereof being transparent to infrared energy, (b) means to transmit infr

An apparatus for near infrared quantitative analysis providing for correcting wide temperature variations of sample, the apparatus comprising: (a) means for holding a sample to be analyzed including at least a portion of a wall thereof being transparent to infrared energy, (b) means to transmit infrared energy toward a sample in the holding means, (c) a plurality of narrow bandpass filters between the means to transmit infrared energy and the sample holding means to produce desired wavelengths required for quantitative analysis, (d) sensor means positioned to receive and sense infrared energy transmitted through a sample to be analyzed contained in the holding means, said sensor means producing a signal related to the infrared energy received thereby, (e) sample temperature measuring means positioned in the sample holding means to measure the temperature of a sample therein and to produce a signal related thereto, (f) computer means for receiving the signals from the sensor means and sample temperature measuring means and combining them in multiple regression equations to compensate for variations in sample temperature, and (g) means for reading out the results of the analysis from the computer means.