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Titolo:
Improved [N-13]ammonia yield from the proton irradiation of water using methane gas
Autore:
Krasikova, RN; Fedorova, OS; Korsakov, MV; Bennington, BL; Berridge, MS;
Indirizzi:
Russian Acad Sci, Inst Human Brain, St Petersburg 197376, Russia Russian Acad Sci St Petersburg Russia 197376 t Petersburg 197376, Russia Case Western Reserve Univ, Dept Radiol, Cleveland, OH 44106 USA Case Western Reserve Univ Cleveland OH USA 44106 Cleveland, OH 44106 USA Univ Hosp Cleveland, Cleveland, OH 44106 USA Univ Hosp Cleveland Cleveland OH USA 44106 eland, Cleveland, OH 44106 USA
Titolo Testata:
APPLIED RADIATION AND ISOTOPES
fascicolo: 4, volume: 51, anno: 1999,
pagine: 395 - 401
SICI:
0969-8043(199910)51:4<395:I[YFTP>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
N-13 AMMONIA; ENZYMATIC-SYNTHESIS; AMINO-ACIDS; TARGET;
Keywords:
ammonia; nitrogen-13; target; methane; production;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Krasikova, RN Russian Acad Sci, Inst Human Brain, 9 Pavlov Str, St Petersburg 197376, Russia Russian Acad Sci 9 Pavlov Str St Petersburg Russia 197376 a
Citazione:
R.N. Krasikova et al., "Improved [N-13]ammonia yield from the proton irradiation of water using methane gas", APPL RAD IS, 51(4), 1999, pp. 395-401

Abstract

Production of N-13 ammonia directly in the cyclotron target has previouslybeen accomplished by use of hydrogen pressurization or by addition of organic compounds, chiefly ethanol. All methods enjoy limited success and then either fail to produce ammonia at high beam dose, or require very high pressures to maintain ammonia production. We report that low-pressure methane gas in the target results in production of radiochemically pure ammonia throughout the feasible range of target irradiation conditions. (C) 1999 Elsevier Science Ltd. All rights reserved.

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Documento generato il 18/01/20 alle ore 13:43:46