On-the-go optical spectroscopy soil analyzer

Details On-the-go optical spectroscopy soil analyzer On-the-go optical spectroscopy soil analyzer

1994-06-06

1995-10-24

Fields, Carolyn E.

Radiant energy

Geological testing or irradiation

25033912, 2503412, G01N 2135

Patent

active

054612292

ABSTRACT:
An on-the-go probe for determining the presence of chemical residue in a soil using Transient Infrared Spectroscopy by pulling a soil implement through the soil with the soil implement having a heating or cooling source for temporarily creating a temperature differential between a layer of soil proximate the soil implement and a layer of soil remote from the soil implement, and moving the soil sufficiently fast with respect to heating source to enable measuring the radiation characteristics of the thin layer of soil before the thin layer of soil begins to self-absorb and substantially change its emission characteristics.

REFERENCES:
patent: 3428806 (1969-02-01), Wack
patent: 4247770 (1981-01-01), Welch
patent: 5065019 (1991-11-01), Darilek et al.
patent: 5070242 (1991-12-01), McCelland et al.
patent: 5075552 (1991-12-01), McCelland et al.
patent: 5241179 (1993-08-01), Carrieri

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