Bias drift compensation in near infrared quantitative analysis i

Details Bias drift compensation in near infrared quantitative analysis i Bias drift compensation in near infrared quantitative analysis i

1988-12-20

1990-11-13

Chin, Gary

Boots, shoes, and leggings

364498, 2502521, G01D 1800

Patent

active

049706713

ABSTRACT:
The invention provides for the elimination of error due to bias shift in near infrared instrumentation having a plurality of near infrared sources. It accomplishes this by comparing subsequent Optical Density readings of a calibration standard for each near infrared source with stored calibration standard readings for each near infrared source that were taken when the instrument was initially calibrated, and compensating for any bias shift accordingly.

REFERENCES:
patent: 3681577 (1972-08-01), Gasinus
patent: 4040747 (1977-08-01), Webster
patent: 4171913 (1979-10-01), Wildy et al.
patent: 4286327 (1981-08-01), Rosenthal et al.
patent: 4404642 (1983-09-01), Rosenthal
patent: 4687934 (1987-08-01), Passaro et al.
patent: 4744657 (1988-05-01), Aralis et al.

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