Hi, Pier:

What about titanium?

Dachun Zhang
Zymax

----- Original Message -----
From: "Pier de Groot" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 11, 2003 7:06 AM
Subject: Re: [ISOGEOCHEM] Glassy carbon tube


> An interesting question, Dachun. The only material that might do the job I
> can think about is a Ni-tube (thought about that in relation with my
former
> message).
> But it certainly will not be less expensive - pure Ni is not cheap. It
will
> last far longer than the glassy carbon material and it does not break as
> easily. If this is an improvement, I have my reservations about. For
> H-isotopes in water I foresee problems, since H2 diffuses easily through
Ni,
> but a proper He flow may cure this!?! It might just be an option.
>
> Pier.
>
>
> > Hi,
> >
> > Has anybody tried to use glassy-C  chips only without the carbon inner
tube
> > for water isotope analysis? I am curious if the expensive carbon tube
can be
> > replaced.
> >
> > Regards.
> >
> > Dachun Zhang
> > Zymax
> >
> >
>