TITLE

Analysis of boron and silicon in plutonium samples by inductively coupled plasma spectrometry

AUTHOR(S)
Shepherd, Billie A.; Bonchin, Sandra L.; Figg, Deborah J.
PUB. DATE
July 2000
SOURCE
AIP Conference Proceedings;2000, Vol. 532 Issue 1, p303
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Samples are analyzed using a Thermo Jarrell-Ash IRIS ICP-AES. Studies were performed to determine where the high silicon background was coming from. The detection limit of silicon for the ICP-AES was found to be 0.20 ppm. A comparison of the laboratory’s 18 megaohm distilled water and Fisher Scientific’s ultra pure distilled water was carried out. No significant difference in the silicon values between the two water sources was encountered. The next step was to look at the acids used in sample digestion for the plutonium samples and also the sample tubes used. The tubes were used “as is” and also after soaking them in 2% nitric acid for a day. The acid solutions were analyzed as soon as possible, a week later, and a month later. This was to ensure silicon was not being leached from the sample tubes. There was a notable amount of silicon in the acid solutions containing hydrofluoric acid and also a serious increase after solutions were in the tubes for a week. © 2000 American Institute of Physics.
ACCESSION #
5663349

 

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