We use a similar method to Steve's - it works fine for 3-4 reuses.

Ian
______________________________________
Dr Ian Cartwright
Head, School of Geosciences
Groundwater and Stable Isotopes
Monash University
Clayton Vic 3800, Australia

Tel: +61 3 9905-4887 / 4879
Fax: +61 3 9905-4903

...water, our greatest resource

----- Original Message -----
From: Steve Nelson <[log in to unmask]>
Date: Wednesday, March 30, 2005 8:29 am
Subject: Re: [ISOGEOCHEM] reusing H/Device reactors

> We carefully cut them in half with a slowly rotating diamond saw,
> remove the spent Cr, clean them, and take them to a glassblower for
> repair.  If you do several at a time, the cost for repair should be
> low.  The repair is quite simple--the glass blower simply has to
> chuck them up in the lathe and re-join the two halves.
>
> They end up slightly shorter, but the high-temperature septa will
> still seal them.  You can re-use a reactor 1-2 times this way, for a
> total life of 2000-3000 injections per reactor.
>
> >Don't know if anyone else has found another way to clean out the
> Finnigan H-
> >Device reactors yet. Although not very elegant, the following
> physical>procedure works.
>
>
> --
>
>
> ********************************
> Steve Nelson
> Dept. of Geology
> S389 ESC
> Brigham Young University
> Provo. Utah  84602
>
> voice:    1-801-422-8688
> lab:      1-801-422-5124
> FAX:      1-801-422-0267
>
> CARPE CARP:  seize the fish
> ********************************
>