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.

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Torsten W. Vennemann
Institute for Geochemistry
University of Tuebingen
Wilhelmstr. 56
72074 Tuebingen
Germany

Tel: (0)7071 29 74992
Fax: (0)7071 29 6870
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