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<p>ISO/ASTM 51631 covers the preparation and use of semi-adiabatic calorimeters for measurement of absorbed doses in graphite, water or polystyrene when irradiated with electrons. The calorimeters are either transported by a conveyor past a scanned electron beam or are stationary in a broadened beam. It also covers the use of these calorimeters to calibrate dosimeter systems in electron beams intended for radiation processing applications.</p>
<p>This International Standard applies to electron beams in the energy range from 4 MeV to 12 MeV.</p>
<p>The absorbed dose range depends on the absorbing material and the irradiation and measurement conditions. The minimum dose is approximately 100 Gy and maximum dose is approximately 50 kGy.</p>
<p>The averaged absorbed dose rate range shall generally be greater than 10 Gy·s<sup>-1</sup> , but depends on the same conditions as above.</p>
<p>The temperature range for use of these calorimeters depends on the thermal resistance of the materials and on the calibration range of the temperature sensor.</p>
Reģistrācijas numurs (WIID)
33557
Darbības sfēra
<p>ISO/ASTM 51631 covers the preparation and use of semi-adiabatic calorimeters for measurement of absorbed doses in graphite, water or polystyrene when irradiated with electrons. The calorimeters are either transported by a conveyor past a scanned electron beam or are stationary in a broadened beam. It also covers the use of these calorimeters to calibrate dosimeter systems in electron beams intended for radiation processing applications.</p>
<p>This International Standard applies to electron beams in the energy range from 4 MeV to 12 MeV.</p>
<p>The absorbed dose range depends on the absorbing material and the irradiation and measurement conditions. The minimum dose is approximately 100 Gy and maximum dose is approximately 50 kGy.</p>
<p>The averaged absorbed dose rate range shall generally be greater than 10 Gy·s<sup>-1</sup> , but depends on the same conditions as above.</p>
<p>The temperature range for use of these calorimeters depends on the thermal resistance of the materials and on the calibration range of the temperature sensor.</p>
