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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2752

Title: Activity measurement of phosphorus-32 in the presence of pure beta-emitting impurities
Authors: Simpson, B
van Wyngaardt, F
Keywords: phosphorus-32 activity measurement
Pure beta-emitting impurities
Issue Date: 27-Feb-2006
Citation: Simpson, B and van Wyngaardt, F. 2006. Activity measurement of phosphorus-32 in the presence of pure beta-emitting impurities. CSIR Research and Innovation Conference: 1st CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 27-28 February 2006, pp 17
Abstract: Activity measurements undertaken at the CSIR's National Metrology Laboratory (NML) on a solution of the pure beta-emitting radionuclide phosphorus-32, which formed part of an international key comparison, are described. Since exploratory source measurements indicated the presence of radioactive impurities, the occurrence of the pure beta-emitters phosphorus-33 and sulphur-35 was assumed. The method adopted to extract the phosphorus-32 activity was thus to follow the decay over an extended period of time. The extracted counting rates were converted to activities by comparison/computation against a 63Ni source of known activity. The phosphorus-32 activity was also independently given by the Triple-to-Double Coincidence Ratio (TDCR) efficiency calculation technique, after first correcting the double and triple count rates for the impurity contributions
Description: CSIR Research and Innovation Conference: 1st CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 27-28 February 2006
URI: http://hdl.handle.net/10204/2752
Appears in Collections:Accessibility research
CSIR Conference 2006
General science, engineering & technology

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