Standard for spectral reflectance

Details Standard for spectral reflectance Standard for spectral reflectance

1975-06-09

1977-09-06

Evans, F. L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250252, 356 51, 356210, 356243, G01N 2122, G01N 2148

Patent

active

040470326

ABSTRACT:
A standard, which is of ceramic material and preferably includes alumina, for spectral reflectance for use in near infrared reflectance measurements of constituents of samples, which constituents comprise oil, moisture and protein. The standard reflects electromagnetic radiation in the wavelength range of 1.0 - 2.5 micrometers and exhibits its best optical characteristics in the operational range of 1.4 - 2.4 micrometers.

REFERENCES:
patent: 3504963 (1970-04-01), Davies et al.
patent: 3776642 (1973-12-01), Anson et al.
Price List of the Diano/Hardy Spectrophotometer, Pl. 101, July 15, 1970, pp. 1 and 2.

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