Abstract
Abstract A microirradiator is a radiation tool with a low amount of total activity but high flux density due to its small active area. The solid state calibrator is designed to be a bench-top detection device in conjunction with the microirradiator for ease of detection and calibration of the source. Results indicate that the device is more accurate and precise during longer measurements, and the addition of liquid scintillation cocktail with plastic scintillation increases the efficiency of detection. Ni-63 is commonly measured by a liquid scintillation cocktail due to the low energy (67 keV max.) beta electrons emitted. Here we report the assembly and calibration of a solid state scintillation device to detect and measure total activity vs. liquid scintillation of Ni-63.
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