Procedure 3 — Rapid Removal of Fission Product Kr from U Foil

This procedure was used to obtain samples of the 15-min. Rb for study and the operations are briefly described below as given for this purpose. The technique for removal of krypton from the target may prove useful in other contexts. [Pg.46]

Target and recoil chamber are placed in a pile and irradiated with [Pg.46]

The target is removed rapidly from the pile via a pneumatic tube [Pg.46]

The rubber cap sealing the recoil chamber is punctured with a [Pg.46]

Due to straggling some xenon recoils penetrate to the recoil chamber,- and a [Pg.46]

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