Liquid scintillators used in low counting rate experiments – like solar neutrino experiments – usually have to fulfil high requirements concerning their radiopurity. In that context silica gel chromatography is a promising purification method to extract traces of polar impurities out of liquid scintillators. The paper presents a purification model describing two different purification modes and compares it to laboratory experiments performed during the last years. Some of them – large scale purification tests – have been realised at the CTF, prototype of the solar neutrino experiment Borexino.
Scintillator purification by silica gel chromatography in the context of low counting rate experiments / L. Niedermeier, C. Grieb, D. D'Angelo, G. Korschinek, L. Oberauer, F. Von Feilitzsch - In: Astroparticle, particle, space physics, radiation interaction, detectors and medical physics applications : proceedings of the 8. conference : Villa Olmo, Como, Italy, 6–11 October 2003 / [a cura di] M. Barone, E. Borchi, C. Leroy, P.G. Rancoita, P.L. Riboni, R. Ruchti. - [s.l] : World scientific, 2004 Jul. - ISBN 978-981-238-860-5. - pp. 81-85 (( Intervento presentato al 8. convegno Astroparticle, particle and space physics, detectors and medical physics applications tenutosi a Como, Italy nel 2003 [10.1142/9789812702708_0014].
Scintillator purification by silica gel chromatography in the context of low counting rate experiments
D. D'Angelo;
2004
Abstract
Liquid scintillators used in low counting rate experiments – like solar neutrino experiments – usually have to fulfil high requirements concerning their radiopurity. In that context silica gel chromatography is a promising purification method to extract traces of polar impurities out of liquid scintillators. The paper presents a purification model describing two different purification modes and compares it to laboratory experiments performed during the last years. Some of them – large scale purification tests – have been realised at the CTF, prototype of the solar neutrino experiment Borexino.
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