just run two separate runs on Gasbench, one for d18O and then with a new aliquot for d2H.
You need only 2 x 500uL for 18O and 2 x 250uL for d2H equilibration.
I cannot see a reason why doing this from the same sample?
Am 27.10.2016 um 20:07 schrieb Raquel Mingote <[log in to unmask]>:
> Dear All,
> I noted that a water sample subjected to d18O analysis can subsequently be subjected to d2H analysis. The reverse is not true! I am considering the GasBench and CF-IRMS.
> I am wondering if this procedure is usual. What is the recommendation about this?
PD Dr. Robert van Geldern
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) | GeoZentrum Nordbayern
Schlossgarten 5 | 91054 Erlangen | Germany
[log in to unmask] | www.gzn.uni-erlangen.de
fon: +49-9131-85-22514 | fax: +49-9131-85-29294 | room: O 2.112 (office)