Optical analysis of impurity absorptions

Details Optical analysis of impurity absorptions Optical analysis of impurity absorptions

1986-10-23

1988-07-05

LaRoche, Eugene R.

Optics: measuring and testing

By shade or color

With sample responsive to plural colors applied simultaneously

356319, 356320, 250574, G01N 2125, G01J 342

Patent

active

047550481

ABSTRACT:
Optical apparatus and methods are employed in the determination of impurity components present in both homogenous and non-homogenous light-scattering products. Light sources having wavelengths in the visible and near-infrared regions are preferred.

REFERENCES:
patent: 4101222 (1978-07-01), Mathisen
patent: 4459024 (1984-07-01), Gergely
patent: 4669878 (1987-06-01), Meier

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