التفاصيل البيبلوغرافية
| العنوان: |
Scintillators Based on Ytterbium Chloride Adducts with Neutral Organophosphorus Extractants for Detecting Solar Neutrino for LENS (Low-Energy Neutrino Spectroscopy) Experiment. |
| المؤلفون: |
Danilov, N. A., Krylov, Yu. S., Korpusov, G. V., Kostikova, G. V., Barabanov, I. R., Bezrukov, L. B., Kornoukhov, V. N., Nesterova, N. P., Yanovich, E. A., Yakshin, V. V., Tsarenko, N. A., Cattadori, C., Ferrari, N., Falgiani, A. |
| المصدر: |
Radiochemistry; Mar/Apr2003, Vol. 45 Issue 2, p140-145, 6p |
| مصطلحات موضوعية: |
SCINTILLATORS, SOLAR neutrinos, SPECTRUM analysis, YTTERBIUM, PARTITION coefficient (Chemistry), CHLORIDES |
| مستخلص: |
The main features of extraction of ytterbium chloride with dibutyl butylphosphonate (DBBP) and triisoamylphosphine oxide (TIAPO) were studied. The effects of temperature, DBBP and TIAPO concentrations in 1,2,4-trimethylbenzene (TMB), and concentrations of salting-out agents LiCl and NH4Cl and mineral acid (HCl) on the ytterbium distribution coefficient were determined. The isotherms of extraction of HCl and YbCl3 with 50% DBBP and TIAPO in TMB were obtained. The composition of the extractable complexes of ytterbium chloride with DBBP and TIAPO (S), YbCl3 · 3S, was determined by saturation and dilution methods. The saturation of 50% solutions of DBBP and TIAPO in TMB with ytterbium chloride was modeled. Two samples of scintillators with ytterbium concentration of 90 g l-1 were prepared, and their physical parameters were measured. The stability of sample properties was tested for 18 months. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |