B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/34 (2006.01) C02F 1/28 (2006.01) C02F 1/58 (2006.01)
Patent
CA 2600738
The invention describes a method for stripping alumina which is particularly suitable for removal of fluoride from alumina and comprises washing said alumina with an aqueous acid or alkali at elevated temperature. The method may be used for removal of unreacted radiofluoride such as [18F]fluoride from alumina following a radiofluorination reaction. Automated synthesis apparatus and cassettes therefor, which are adapted to perform the method are also claimed.
L'invention concerne un procédé de décapage d'alumine spécialement conçu pour l'élimination de fluorure d'alumine et consistant à laver l'alumine au moyen d'un acide ou alcalin aqueux à une température élevée. Le procédé peut être utilisé pour éliminer du radiofluorure non réagi, tel que [18F]fluorure, d'alumine après une réaction de radiofluoration. L'invention concerne également un appareil de synthèse automatisé et des cassettes destinées à celui-ci permettant de mettre en oeuvre le procédé.
Grigg Julian
Osborn Nigel John
Fetherstonhaugh & Co.
Ge Healthcare Limited
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