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Steyn, J.; Botha, S.M.; Van Staden, J.C.
Council for Scientific and Industrial Research, Pretoria (South Africa)1976
Council for Scientific and Industrial Research, Pretoria (South Africa)1976
AbstractAbstract
[en] The participation by the NPRL in an intercomparison of radioactivity measurements as organised by the BIPM is fully described. The radioisotope involved, cesium 139, was made available to the BIPM by the NPRL in carrier-free form. The NPRL used the 4π gamma coincidence counting method with an internal liquid scintillation counter as 4π detector. The preliminary results released by the BIPM show the presence of relatively large systematic errors
[af]
Die deelname van die NFNL aan 'n onderlinge vergelyking van radioaktiwiteitsmetings soos georganiseer deur die BIPM word volledig beskrywe. Die betrokke radioisotoop, cesium 139, is deur die NFNL in draervry vorm aan die BIPM beskikbaar gestel. Die meetmetode deur die NFNL gebruik was 4π gammakoinsidensietelling met behulp van 'n interne vloeistofsintillasieteller as 4π detektor. Uit die voorlopige resultate vrygestel deur die BIPM blyk dit dat daar nog betreklik groot sistematiese foute voorgekom hetOriginal Title
Die internasionale vergelyking van radioaktiwiteitsmetings op 'n oplossing van cesium-139
Source
Mar 1976; 21 p
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Report
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