Radiant energy – Automatic/serial detection of similar sources
Patent
1984-08-09
1987-11-03
Howell, Janice A.
Radiant energy
Automatic/serial detection of similar sources
250364, G01T 120
Patent
active
047045310
ABSTRACT:
A method for measuring the radioactivity in eluates from liquid chromatography columns in which a portion of the eluate stream is split off and mixed with a scintillation fluid in a timed sequence wherein the volume of eluate and the volume of scintillation cocktail are quantitatively and reproduceably controlled. An apparatus for the practice of this method comprising a two-position valve on the affluent stream, a two-position valve on a pumped closed loop of scintillation cocktail a means for simultaneously setting the position of each valve and a mixing chamber discharging to a scintillation counter is also described. By the practice of this method, it is possible to determine the radioactivity of the eluate as well as to preserve a sample of the eluate for further analysis.
REFERENCES:
patent: 4194117 (1980-03-01), Gross
L. Schutte, "Continuous Detection of Radioactive Effulents in Liquid Chromatography by Heterogeneous or Homogeneous Scintillation Counting", Journal of Chromatography 72 (1972) pp. 303-309.
Radiomatic Instruments & Chemical Co., Inc., Brochure 120/681 (1981).
Berthold Fritz
Pfleger Manfred
Howell Janice A.
Laboratorium Prof. Dr. Rudolph Berthold
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