Monitor for measuring the radioactivity of a surface

Details Monitor for measuring the radioactivity of a surface Monitor for measuring the radioactivity of a surface

1997-05-21

1999-08-24

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250375, G01T 1185

Patent

active

059427574

ABSTRACT:
A monitor for measuring the activity of a surface contaminated with a radioactive material, such as tritium, is disclosed. The monitor comprises: (a) a collector spaced from the surface; (b) a potential generators for generating a potential difference between the surface and the collector sufficient to induce particle migration; and (c) an electrometer or other current measuring device for measuring the current generated by impingement of charged particles on the collector.

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M.J. Wood et al., "Tritium Sampling and Measurement", Health Physics, Dec. 1993, pp. 619-621.
D.W. Colvin, "A Simple Monitor for Tritium Contamination on Surfaces", Oct. 1957, AEC Research & Dev. Rpt. DP-242.
Takahiro Aoyama and Tamaki Watanabe, "A New Type of .sup.3 H Surfaces-Contamination Monitor", Health Physics, vol. 48, Nov. 16, 1984.
Roland A. Finston, "Experience With a Novel, Radioactive-Contamination Meter Used for Biomedical Laboratory Surveys", CRSO Proceedings.
G.D. Whitlock, "Wiping Out Doubt", Laboratory Practice, vol. 40, No. 11.

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