Spectrophotometer

Details Spectrophotometer Spectrophotometer

1976-03-23

1977-06-21

Bauer, Edward S.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 88, 356100, G01J 342

Patent

active

040308286

ABSTRACT:
There is provided a multi-functional spectrophotometer allowing various measurements in which a stigmatic concave grating is employed for selecting the wavelength of the measuring light. A number of miniature type detectors are employed for detecting the diffracted light from the concave grating. Cells containing samples to be measured can be positioned either adjacent to inlet slits at the side of a light source or behind exit slits. These positions of the cells can be easily changed over one with the other. In the former position, absorbances (concentrations) of sample components for a plurality of predetermined light wavelengths can be simultaneously measured. In the later position, not only the absorbance characteristic curve of the sample can be determined, but also the absorbance, fluorescence and turbidity of the sample for a give wavelength can be measured.

REFERENCES:
patent: 3171882 (1965-03-01), Baird
patent: 3229568 (1966-01-01), Webb
patent: 3696247 (1972-10-01), McIntosh et al.
patent: 3846024 (1974-11-01), Turner
patent: 3985441 (1976-10-01), Schoeffel et al.

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