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High sensitivity measurement of 224Ra and 226Ra in water with an improved hydrous titanium oxide technique at the Sudbury Neutrino Observatory

Abstract:

The existing hydrous titanium oxide (HTiO) technique for the measurement of 224Ra and 226Ra in the water at the Sudbury Neutrino Observatory (SNO) has been changed to make it faster and less sensitive to trace impurities in the HTiO eluate. Using HTiO-loaded filters followed by cation exchange adsorption and HTiO co-precipitation, Ra isotopes from 200-450 tonnes of heavy water can be extracted and concentrated into a single sample of a few millilitres with a total chemical efficiency of 50%. ...

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Publication status:
Published

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Publisher copy:
10.1016/j.nima.2009.01.227

Authors


Journal:
Nucl.Instrum.Meth.A More from this journal
Volume:
604
Issue:
3
Pages:
531-535
Publication date:
2008-03-28
DOI:
ISSN:
0168-9002
Keywords:
Pubs id:
pubs:22908
UUID:
uuid:8bce7703-04ed-4288-8e30-bfe6162fb9f3
Local pid:
pubs:22908
Source identifiers:
22908
Deposit date:
2012-12-19

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