Safe shipment of uranium hexafluoride

A. A. Vlasov; E. A. Filippov; L. L. Fadeev; A. I. Vinnikov

doi:10.1007/bf01121092

Safe shipment of uranium hexafluoride

Soviet Atomic Energy ◽

10.1007/bf01121092 ◽

1992 ◽

Vol 72 (2) ◽

pp. 163-164 ◽

Cited By ~ 1

Author(s):

A. A. Vlasov ◽

E. A. Filippov ◽

L. L. Fadeev ◽

A. I. Vinnikov

Keyword(s):

Uranium Hexafluoride

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INVESTIGATION OF AN R-F RADIANT ENERGY SOURCE WITH URANIUM HEXAFLUORIDE AND TUNGSTEN HEXAFLUORIDE INJECTION

10.2514/6.1971-1536 ◽

1971 ◽

Author(s):

WARD ROMAN

Keyword(s):

Energy Source ◽

Radiant Energy ◽

Uranium Hexafluoride ◽

Tungsten Hexafluoride ◽

And Tungsten

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PROCEDURES FOR HANDLING AND ANALYSIS OF URANIUM HEXAFLUORIDE. VOLUME 1. INSPECTION, WEIGHING, AND SAMPLING OF URANIUM HEXAFLUORIDE CYLINDERS.

10.2172/4668435 ◽

1972 ◽

Author(s):

Not Given Author

Keyword(s):

Uranium Hexafluoride

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Draft Environmental Impact Statement for Construction and Operation of a Depleted Uranium Hexafluoride Conversion Facility at the Paducah, Kentucky, Site

10.2172/823179 ◽

2003 ◽

Author(s):

Keyword(s):

Environmental Impact ◽

Uranium Hexafluoride ◽

Depleted Uranium ◽

Environmental Impact Statement

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Intercalation of uranium hexafluoride into graphite

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19850947 ◽

1985 ◽

Vol 50 (4) ◽

pp. 947-955 ◽

Cited By ~ 3

Author(s):

Karel Klouda ◽

Václav Rak ◽

Josef Vachuška

Keyword(s):

Carbon Atom ◽

Surface Area ◽

Gaseous Phase ◽

Uranium Hexafluoride ◽

Graphite Particles ◽

Fluorination Agent ◽

Increasing Temperature ◽

Elementary Fluorine

Intercalation of UF6 into graphite, both from the gaseous phase and from the Ledon 113 solution, was studied. The amount of intercalated UF6 from the gaseous phase was found to be inversely proportional to the size of graphite particles. Intercalation increases with the increasing temperature and surface area of graphite. The contact of gaseous UF6 with graphite led to the formation of β-UF5 that is not intercalated. In the Ledon solution, β-UF5 is not formed. "Passivation" of graphite by elementary fluorine also prevents the formation of β-UF5 but the amount of intercalated UF6 decreases. The intercalation of UF6 into graphite from the gaseous phase is accompanied by the increase of the distance between the parallel carbon atom layers up to the values of about 884 pm. Ternary intercalates graphite-UF6-Ledon 113 are formed during the intercalation of UF6 from the Ledon 113 solutions and the distance between the parallel carbon atom layers is 848-875 pm. Thermogravimetry in the presence of air revealed that the binary intercalates graphite-UF6 decompose in a 3-step reaction while the ternary intercalates decompose in a 4-step reaction. In both cases uranium hexafluoride is not released but acts as a fluorination agent on the graphite carbon.

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