Hi Torsten,

As you're probably aware, I've always used crystalline (rather than a
concentrated solution) HgCl2 for the collection and storage of water
samples for DIC.  Is there a particular reason which prevents you from
using this compound?

Cheers, and hello to Cora,
Bill

>Dear Isogeochemists
>
>We are interested in analyzing DIC from groundwaters by acidification with
>H3PO4. The water samples are commonly poisoned with HgCl2 for this method.
>Would anyone know if  there is an alternative to the HgCl2?
>
>Thanks in advance, greetings
>
>Torsten.
>
>------------------------------------
>Torsten W. Vennemann
>Institute for Geochemistry
>University of Tuebingen
>Wilhelmstr. 56
>72074 Tuebingen
>Germany
>
>Tel: (0)7071 29 74992
>Fax: (0)7071 29 6870
>----------------------------------


William P. Patterson
Syracuse University
Department of Earth Sciences
204 Heroy Geology Laboratory
Syracuse NY 13244-1070

Tel:    315-443-3869
FAX:    315-443-3363
email:  [log in to unmask]