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Titolo:
The WUW ML bundle detector - A flow through detector for alpha-emitters
Autore:
Wenzel, U; Ullrich, W; Lochny, M;
Indirizzi:
KFA-52425h GmbH, Forschungszentrum, Inst Sicherheitsforsch & Reaktortech, D KFA Julich GmbH Julich Germany D-52425 icherheitsforsch & Reaktortech, D
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 3, volume: 421, anno: 1999,
pagine: 567 - 575
SICI:
0168-9002(19990201)421:3<567:TWMBD->2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCINTILLATION;
Keywords:
solid scintillation counting; flow through detector; MELTILEX (TM); alpha-particle detection;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Wenzel, U KFAOBulich GmbH, Forschungszentrum, Inst Sicherheitsforsch & Reaktortech, P KFA Julich GmbH POB 1913 Julich Germany D-52425 Reaktortech, P
Citazione:
U. Wenzel et al., "The WUW ML bundle detector - A flow through detector for alpha-emitters", NUCL INST A, 421(3), 1999, pp. 567-575

Abstract

Using conventional laboratory ware, we designed and manufactured a flow through cell for monitoring cl-bearing solutions. The cell consists of a bundle of thermoplastic, transparent tubes coated with a thin layer of the meltable scintillator MELTILEX(TM) at the inner surface. With appropriate energy windows set, the detector can suppress beta-particles to a great extent due to its geometrical dimensions. For pure cl-solutions, the detection limits are 5 Bq/ml, for composite nuclide mixtures, the detector is capable to monitor the decontamination of medium active waste (less than or equal to 10(7) Bq/ml) down to 100 Bq alpha/g solution. At a throughput of 1 ml/s, thepressure build-up amounts to similar to 2 bar. We have developed a qualitycontrol program to ensure the regularity of the individual bundle loops. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 28/03/20 alle ore 10:14:09