科技报告详细信息
Chemical Characterization of an Envelope A Sample from Hanford Tank 241-AN-103
Hay, M.S.
Savannah River Site (S.C.)
关键词: Mass Balance;    Chemical Composition;    Filtration;    Radioactive Wastes;    Tanks;   
DOI  :  10.2172/761154
RP-ID  :  BNF-003-98-0248
RP-ID  :  AC09-96SR18500
RP-ID  :  761154
美国|英语
来源: UNT Digital Library
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【 摘 要 】

A whole tank composite sample from Hanford waste tank 241-AN-103 was received at the Savannah River Technology Center (SRTC) and chemically characterized. Prior to characterization the sample was diluted to {approximately}5 M sodium concentration. The filtered supernatant liquid, the total dried solids of the diluted sample, and the washed insoluble solids obtained from filtration of the diluted sample were analyzed. A mass balance calculation of the three fractions of the sample analyzed indicate the analytical results appear relatively self-consistent for major components of the sample. However, some inconsistency was observed between results where more than one method of determination was employed and for species present in low concentrations. A direct comparison to previous analyses of material from tank 241-AN-103 was not possible due to unavailability of data for diluted samples of tank 241-AN-103 whole tank composites. However, the analytical data for other types of samples from 241-AN-103 we re mathematically diluted and compare reasonably with the current results. Although the segments of the core samples used to prepare the sample received at SRTC were combined in an attempt to produce a whole tank composite, determination of how well the results of the current analysis represent the actual composition of the Hanford waste tank 241-AN-103 remains problematic due to the small sample size and the large size of the non-homogenized waste tank.

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