[Attempts at measuring low radioactivity using a Tristan-1024 spectrometer].
A method for measurement of cesium and potassium-40 in environmental samples with the use of a gamma Tristan-1024 spectrometer was presented. The method involves taking into account the influence of the Compton effect on the shape of the observed spectrum, and then counting of the impulses in appropriate energetic intervals. The results showed that it is possible to rapidly measure K-40 activities exceeding 30 Bq/kg as well as the activities of Cs-137 and Cs-134 isotopes of an order of several Bq/kg in so-called "fresh" sample, with no need for applying expensive preparative treatment. The low cost of measurements, as compared with radiochemical methods, is an advantage of the presented method.
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Wojewódzkiej Stacji Sanitarno-Epidemiologicznej w lesznie.
D002588:Cesium Radioisotopes / Q000032:analysis*; D004784:Environmental Monitoring / Q000191:economics / Q000295:instrumentation*; D011197:Potassium Radioisotopes / Q000032:analysis*; D013051:Spectrometry, Gamma / Q000295:instrumentation / Q000379:methods*
D002588:Cesium Radioisotopes; D011197:Potassium Radioisotopes
Próby pomiarów małych radioaktywności za pomoca spektrometru "Tristan-1024".