Method and apparatus for measuring chemical content of core samp

Details Method and apparatus for measuring chemical content of core samp Method and apparatus for measuring chemical content of core samp

1977-02-02

1979-04-17

Evans, F. L.

Optics: measuring and testing

By shade or color

With color transmitting filter

23230EP, 356 36, 356448, 356212;36;38;51, G01J 350, G01N 2148

Patent

active

041498046

ABSTRACT:
A field instrument for measuring the chemical composition of a solid core sample includes means for forming a smooth surface along the core sample, a light source for illuminating the smoothed surface, a photocell for sensing monochromatic light reflected from the surface of the core sample, means for providing relative movement between the core sample and the photocell, and means for converting the photocell output into a measurement of the amount of a chemical component being analyzed contained in the core sample. To avoid wide variations in measured chemical content, caused by non-uniform distribution of the material being analyzed within the core sample, reflected light is integrated over a selected area of the core sample.

REFERENCES:
patent: 3232711 (1966-02-01), Senyk et al.
patent: 4009962 (1977-03-01), Lauer et al.
patent: 4030837 (1977-06-01), Kojima et al.

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