2009
DOI: 10.1016/j.jallcom.2009.09.161
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Moisture and surface area measurements of plutonium-bearing oxides

Abstract: To ensure safe storage, plutonium-bearing oxides are stabilized at 950 °C for at least two hours in an oxidizing atmosphere. Stabilization conditions are expected to decompose organic impurities, convert metals to oxides, and result in moisture content below 0.5 wt%. During stabilization, the specific surface area is reduced, which minimizes readsorption of water onto the oxide surface. Plutonium oxides stabilized according to these criteria were sampled and analyzed to determine moisture content and surface a… Show more

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Cited by 5 publications
(3 citation statements)
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“…This reference 18 discusses the moisture and surface area measurements of plutonium oxide samples prepared at 950 °C for 2 hours. This report has some specific surface area data in its Table 2 but the surface area points were lower than other values seen in this literature review.…”
Section: Reference 18: Moisture and Surface Area Measurements Of Plutmentioning
confidence: 99%
“…This reference 18 discusses the moisture and surface area measurements of plutonium oxide samples prepared at 950 °C for 2 hours. This report has some specific surface area data in its Table 2 but the surface area points were lower than other values seen in this literature review.…”
Section: Reference 18: Moisture and Surface Area Measurements Of Plutmentioning
confidence: 99%
“…For example, a variance in the SSA of 5–15 m 2 /g is seen at a calcination temperature of 650 °C, with wider window occurring at lower calcination temperatures. Indeed, when analyzing processing conditions outside of comparing calcination temperature to the SSA specifically, it appears that no dependency exists in either the literature or using known data. ,,− …”
Section: Introductionmentioning
confidence: 99%
“…However, the most commonly studied synthetic route via Pu­(III/IV) oxalate intermediate precipitation produces diverse final oxide characteristics depending on the processing conditions . In general, the mean particle size, shape, and morphology are controlled by the precipitation process parameters, whereas the specific surface area (SSA), tap density, residual moisture content, and carbon content are functions of the calcination process. , While these are the dominant processing conditions affecting the final oxide product, insights into the interplay between the two remain incomplete due to the wide parameter space among the processing units. For example, a variance in the SSA of 5–15 m 2 /g is seen at a calcination temperature of 650 °C, with wider window occurring at lower calcination temperatures.…”
Section: Introductionmentioning
confidence: 99%