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<p class="MsoBodyText"><span lang="EN-GB">This document specifies a test procedure for determination of the size of industrial radiographic gamma sources of 0,5 mm or greater, made from the radionuclides Iridium 192, Ytterbium 169, Selenium 75 or Cobalt 60, by a radiography method with X-rays. The source size of a gamma radiation source is an important factor which affects the image quality of gamma ray images.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The source size is determined with an accuracy of ±10 % but typically not better than ±0,1 mm.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The source size is provided by the manufacturer as the mechanical dimension of the source insert. A measurement can be required if the manufacturing process is validated or monitored after implementation of the source into the holder.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document can be used for other radionuclides after validation.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The standard test method ASTM E1114 provides further information on the measurement of the Ir-192 source size, the characterization of the source shape, and its correct assembly and packaging.</span></p>
Reģistrācijas numurs (WIID)
87459
Darbības sfēra
<p class="MsoBodyText"><span lang="EN-GB">This document specifies a test procedure for determination of the size of industrial radiographic gamma sources of 0,5 mm or greater, made from the radionuclides Iridium 192, Ytterbium 169, Selenium 75 or Cobalt 60, by a radiography method with X-rays. The source size of a gamma radiation source is an important factor which affects the image quality of gamma ray images.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The source size is determined with an accuracy of ±10 % but typically not better than ±0,1 mm.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The source size is provided by the manufacturer as the mechanical dimension of the source insert. A measurement can be required if the manufacturing process is validated or monitored after implementation of the source into the holder.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document can be used for other radionuclides after validation.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The standard test method ASTM E1114 provides further information on the measurement of the Ir-192 source size, the characterization of the source shape, and its correct assembly and packaging.</span></p>
