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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 to 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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Publisher copy:
10.1016/j.nima.2009.01.227

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Journal:
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume:
604
Issue:
3
Pages:
531-535
Publication date:
2009-06-11
DOI:
ISSN:
0168-9002
URN:
uuid:8d3786c1-54f6-4e40-ad8f-f76302816bcd
Source identifiers:
161199
Local pid:
pubs:161199

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