Polymer gamma dosimeter | Zendy

Chung Woon H. | Zendy

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Polymer gamma dosimeter

Author(s) -

Chung Woon H.

Publication year - 1981

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1981.070260706

Subject(s) - dosimeter , vinyl alcohol , polyacrylamide , polystyrene , polymer , materials science , aqueous solution , irradiation , dosimetry , radiochemistry , polymer chemistry , chemistry , composite material , organic chemistry , nuclear medicine , medicine , physics , nuclear physics

A chemical dosimeter has been developed based on the gas evolution of polymers by γ radiation. The polymers used in this dosimetry were polyacrylamide, poly(vinyl alcohol), and polystyrene. The irradiating γ source was a 60 Co annular cell calibrated with the Fricke dosimeter, an average dose rate being 630 rad/min. The irradiated samples were aqueous solution, i.e., polyacrylamide oxygen saturated in water, poly(vinyl alcohol) aerated in water, and polystyrene oxygen saturated in carbon tetrachloride. A manometer system was used as the gas‐measuring device. It was found that the dosimeter showed good linearity above 1 Mrad.

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