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Infinite thickness in autoradiographs of iodine‐125
Author(s) -
Williams M.A.
Publication year - 1988
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.1988.tb04619.x
Subject(s) - iodine , chemistry , materials science , radiochemistry , metallurgy
SUMMARY Infinite thickness for iodine‐125 in autoradiographs was measured by autoradiography using four types of nuclear emulsion. Using Ilford K5, Kodak AR 10 and Hyperfilm‐3H, a value of 20 μm was obtained. Using Hyperfilm Betamax, infinite thickness was greater than 60 μm. The results are discussed in relation to the types of radiation emitted as a result of iodine‐125 decay and in relation to published image spread data for this radioisotope.