Automatic recording fluorometer/densitometer

Details Automatic recording fluorometer/densitometer Automatic recording fluorometer/densitometer

1977-05-24

1978-09-26

Willis, Davis L.

Radiant energy

Luminophor irradiation

With ultraviolet source

G01N 2138

Patent

active

041173384

ABSTRACT:
An automatic recording fluorometer/densitometer has an integral viewer for viewing and photographing fluorescent samples which have been applied to a clear, thin-film substrate. Light from an ultraviolet source is on the opposite side of the sample from the viewer when the sample is placed in a viewer holder. When the sample is placed in a recording holder, light from the same source is on the opposite side of the sample from the recorder optics. By having the source on the opposite side from the optics, it is possible to have the source much closer to the sample and to thereby reduce the stray ultraviolet light in the instrument. Another source emits visible light for densitometric analysis of the sample. A movable filter holder can be indexed to different positions for placing an ultraviolet filter or one of the densitometric filters in the optical path between the sources and the recording device.

REFERENCES:
patent: 3800161 (1974-03-01), Scott et al.
patent: 3832557 (1974-08-01), Bazholin et al.
patent: 3916205 (1975-10-01), Kleinerman

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