Detail of "7637-07-2"

CAS Number:
7637-07-2
Name:
Borane, trifluoro-
Superlist Name:
Boron trifluoride
Molecular Structure:
Formula:
BF3
Molecular Weight:
99.83
Synonyms:
Boronfluoride (BF3) (8CI); ANCA 1040; Boron fluoride; Boron trifluoride;Trifluoroborane; Trifluoroboron
EINECS:
231-569-5
Density:
0.87
Melting Point:
-20 C
Boiling Point:
59 C at 4.00 hPa
Flash Point:
4 ºC
Solubility:
Hydrolysis

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Evaluation of response function of moderating-type neutron detector and application to environmental neutron measurement: Evaluation of response function of moderating-type neutron detector and application to environmental neutron measurement. Kosako, Toshiso; Nakamura, Takashi; Iwai, Satoshi; Katsuki, Shinji; Kamata, Masashi (Inst. Nucl. Study, Univ. Tokyo, Tanashi, Japan). Tokyo Daigaku Genshikaku Kenkyusho, [Tech. Rep.] INS-TS, INS-TS-23, 50 pp. (Japanese) 1983. CODEN: TGITDD. DOCUMENT TYPE: Report CA Section: 71 (Nuclear Technology) The energy-dependent response function of a multicylinder moderating-type BF3 [7637-07-2] counter, the so-called Bonner counter, was calcd. by the time-dependent multigroup Monte Carlo code, TMMCR. The calcd. response function was evaluated exptl. for n energies f50 keV down to epithermal energy by the time-of-flight method combined with a large Pb pile, and also for >50 keV by using the monoenergetic n std. field. The response function obtained by these 2 expts. showed good agreement with the calcd. results. This Bonner counter having a response function evaluated from thermal to MeV energy range was used for spectrometry and dosimetry of environmental n around some nuclear facilities. The n spectra and dose measured in the environment around a 252Cf fission source, fast n source reactor, and electron synchrotron were all in good agreement with the calcd. results and the measured results with other n detectors.

Boron fluoride neutron detector for laser-produced plasma: Boron fluoride neutron detector for laser-produced plasma. Pan, Chengming; Zhang, Shugan; Zhu, Daqing (Shanghai Inst. Opt. Fine Mech., Acad. Sin., Shanghai, Peop. Rep. China). Hejubian Yu Dengliziti Wuli, 3(3), 175-9 (Chinese) 1983. CODEN: HYDWDP. DOCUMENT TYPE: Journal CA Section: 71 (Nuclear Technology) A method for measuring the flux of the single pulse n emission from laser-produced plasmas within nanosecond (ns) or sub-ns by using a BF3 [7637-07-2] n detector is described. The principles, structure, and calibration of the BF3 n detector are given. The elimination of the disturbing effects of the detector and the application of the detector in laser-produced plasma expts. are presented. Oscillogram photographs of the n from laser-produced plasmas were taken for the 1st time.