Variable volume flow cell

Details Variable volume flow cell Variable volume flow cell

1987-02-13

1989-06-20

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250432R, 242 47, 356244, G01T 120, G01N 2312

Patent

active

048411515

ABSTRACT:
A flow cell for liquid scintillation counting having a spool wound with a length of light transparent tubing provides a variable volume of sample solution for analysis by selectively winding the spool with a select length of tubing, thus controlling sensitivity of anaysis and maintaining resolution of separated constituents in the sample. The flow cell comprises a spool rotatably held within a framework and which may be covered with a transparent material.

REFERENCES:
patent: 3597611 (1971-08-01), Harman
patent: 4027157 (1977-05-01), Gerve et al.
Sear, H., "A Method of Presenting Liquid Samples to the Flat Surface of a Scintillation Crystal", Nucleonics, Apr. 1953, pp. 52-53.
Berthold, Radioactivity Monitor LB 5025-HP, A Technical Description from Berthold Laboratorium, Germany.

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