1966
DOI: 10.1016/0029-554x(66)90404-6
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Determination of nuclide concentrations in solutions containing low levels of radioactivity by least-squares resolution of the gamma-ray spectra

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Cited by 29 publications
(11 citation statements)
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“…This method has been successfully employed in the past at Oak Ridge National Laboratories to determine the concentrations of radioactive contaminants in chemical solutions. 16 The method was later enhanced to allow for the measurement of MPD thruster wear rates. 13 The sample count rate in a particular channel i is given by…”
Section: Discussionmentioning
confidence: 99%
“…This method has been successfully employed in the past at Oak Ridge National Laboratories to determine the concentrations of radioactive contaminants in chemical solutions. 16 The method was later enhanced to allow for the measurement of MPD thruster wear rates. 13 The sample count rate in a particular channel i is given by…”
Section: Discussionmentioning
confidence: 99%
“…This mathematical technique has been used in a variety of other applications, including the analysis of gamma-ray spectra. 18 The individual points from the experimental ͑y͒ and simulated ͑a͒ data sets are related by…”
Section: Analysis Of Surface Structurementioning
confidence: 99%
“…Note that for two slightly misaligned peaks, the error term becomes very large at the peak edges. 18 This provides a high level of sensitivity to the critical edge phenomena mentioned above. To emphasize the peak locations, we define a weight factor matrix W, with the diagonal elements W ii assigned values which are proportional to the number of counts at each position i.…”
Section: Analysis Of Surface Structurementioning
confidence: 99%
“…Comparing the equivalent thickness technique with the average cross section technique, it can be shown that: e = -R or e = -R' (78) (To (To Furthermore, comparing equivalent thicknesses and ranges for a given reaction in two materials, 1 and 2, one obtains: (79) This means that the value e\R and e/R' remains constant for a given energy of incident particles. This is clearly shown in Table 1 2 where these 44 MeV alpha particles in different matrices [72].…”
Section: Thusmentioning
confidence: 99%
“…The extracted gas is carried by a weak flow of helium (100 to 150 cm 3 per minute) and is passed successively through (Fig. 3) (1) silica wool and porous glass filter to remove particulate matter, (2) a 500 °C furnace which contains Cu to reduce nitrogen oxides to nitrogen and CuO which oxidizes CO, (3) Mn0 2 which traps the halogens 78 Br, 18 F, and (4) Schutze reagent (I 2 Ob on silica gel) to oxidize the last traces of CO. Then the carrier gas contains only C02 and N 2 . CO2 is trapped on ascarite, N 2 on molecular sieve Linde Figure 3.…”
Section: Oxidizing Fusionmentioning
confidence: 99%