Calculation of primary nuclear interferences occurring in neutron activation analysis with a slowpoke reactor

Measurement of some primary nuclear interferences in neutron activation analysis with a SLOWPOKE reactor

“…In general, their calculated values agree well with the values calculated in this work, which is to be expected since the two reactors have similar fast-to-thermal neutron-flux ratios (1,9).…”

Evaluation of homogeneity of a certified reference material by instrumental neutron activation analysis

“…Among activation techniques, we have already used irradiation in gamma photons through the 14 ( , )13 reaction (1,2). This method requires an electron accelerator, which may not be readily available.…”

“…The specific activities (counts/microgram for each activated nuclide) were determined for each counting period, and the masses of the various elements in both NBS standards and TORT-1 were determined via an adaptation of the comparator (semiabsolute) method for INAA (2), that is, by dividing the photopeak areas of the unknowns by the specific activities of the relevant radionuclides. Deadtime corrections (3) for the decay of short-lived radioisotopes in the presence of active, longer-lived isotopes such as 24Na and 38C1 were applied to each peak; in addition, a correction factor for random summing effects was calculated and applied following the procedure of Wyttenbach (4).…”

Determination of Br, Ca, Cl, Co, Cu, I, K, Mg, Mn, Na, Rb, S, Ti and V in Cereals, Oils, Sweeteners and Vegetables Sold in Canada by Neutron Activation Analysis

“…The blank values were subtracted from results. Twenty per cent of the neutron #ux in our reactor is due to fast neutrons which may cause nuclear interferences (Zikovsky and Galinier, 1981;Kennedy et al, 1986). A computer program was used to subtract these interferences.…”