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High sensitivity on-line monitor for radioactive effluent

Journal Article:

Abstract

A new approach for a highly sensitive effluent monitor is presented. The free flow type monitor, which consists of a straightener, nozzle, monitoring section and ..gamma..-ray detector, is demonstrated to be effective in providing long term stability. The 160 start-and-stop cycles of effluent discharge were repeated in a 120-h testing period. Results showed a background increase was not observed for the free flow type monitor. The background count rate was calibrated to the lowest detection limit to be 2.2 x 10/sup -2/ Bq/ml for a 300 s measurement time.
Authors:
Sasaki, Toshimi; [1]  Ishizuka, Akira; Abe, Eisuke; Inoue, Yasuhiko; Fujii, Masaaki; Kitaguchi, Hiroshi; Doi, Akira
  1. Tohoku Electric Power Co. Ltd., Sendai (Japan)
Publication Date:
Apr 01, 1983
Product Type:
Journal Article
Reference Number:
AIX-15-053770; EDB-84-159379
Resource Relation:
Journal Name: J. Nucl. Sci. Technol. (Tokyo); (Japan); Journal Volume: 20:4
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; RADIOACTIVE EFFLUENTS; RADIATION MONITORING; BWR TYPE REACTORS; COBALT 60; FLOW RATE; LIQUID WASTES; MANGANESE 54; MOCKUP; NOZZLES; ON-LINE MEASUREMENT SYSTEMS; RADIATION MONITORS; SENSITIVITY; SPECIFICATIONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; COBALT ISOTOPES; DAYS LIVING RADIOISOTOPES; ELECTRON CAPTURE RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTOPES; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MANGANESE ISOTOPES; MATERIALS; MEASURING INSTRUMENTS; MINUTES LIVING RADIOISOTOPES; MONITORING; MONITORS; NUCLEI; ODD-ODD NUCLEI; ON-LINE SYSTEMS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; RADIOISOTOPES; REACTORS; STRUCTURAL MODELS; WASTES; WATER COOLED REACTORS; WATER MODERATED REACTORS; YEARS LIVING RADIOISOTOPES; 440101* - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments
OSTI ID:
6633282
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JNSTA
Submitting Site:
HEDB
Size:
Pages: 317-321
Announcement Date:

Journal Article:

Citation Formats

Sasaki, Toshimi, Ishizuka, Akira, Abe, Eisuke, Inoue, Yasuhiko, Fujii, Masaaki, Kitaguchi, Hiroshi, and Doi, Akira. High sensitivity on-line monitor for radioactive effluent. Japan: N. p., 1983. Web.
Sasaki, Toshimi, Ishizuka, Akira, Abe, Eisuke, Inoue, Yasuhiko, Fujii, Masaaki, Kitaguchi, Hiroshi, & Doi, Akira. High sensitivity on-line monitor for radioactive effluent. Japan.
Sasaki, Toshimi, Ishizuka, Akira, Abe, Eisuke, Inoue, Yasuhiko, Fujii, Masaaki, Kitaguchi, Hiroshi, and Doi, Akira. 1983. "High sensitivity on-line monitor for radioactive effluent." Japan.
@misc{etde_6633282,
title = {High sensitivity on-line monitor for radioactive effluent}
author = {Sasaki, Toshimi, Ishizuka, Akira, Abe, Eisuke, Inoue, Yasuhiko, Fujii, Masaaki, Kitaguchi, Hiroshi, and Doi, Akira}
abstractNote = {A new approach for a highly sensitive effluent monitor is presented. The free flow type monitor, which consists of a straightener, nozzle, monitoring section and ..gamma..-ray detector, is demonstrated to be effective in providing long term stability. The 160 start-and-stop cycles of effluent discharge were repeated in a 120-h testing period. Results showed a background increase was not observed for the free flow type monitor. The background count rate was calibrated to the lowest detection limit to be 2.2 x 10/sup -2/ Bq/ml for a 300 s measurement time.}
journal = {J. Nucl. Sci. Technol. (Tokyo); (Japan)}
volume = {20:4}
journal type = {AC}
place = {Japan}
year = {1983}
month = {Apr}
}