Tarun,

I put one copy of R.W. Carmody's paper in the mail for you: Methods for
collection of dissolved sulfate and sulfide and analysis of their sulfur
isotopic composition, 1998, U.S.G.S. Open-File Report 97-234.  I am sure
you will find it very useful.
Kinga Revesz
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Tarun Kumar Dalai wrote:
>
> dear all,
>         i am keen in measuring delta34-S in dissolved SO4 of river water.
> i understand from the published literature that this can be done by
> precipitating BaSO4, combust it to SO2. I need the details of the
> procedures like amount of samples to be processed, where i can get the
> standards and the chemicals required. if there is any good literature on
> such measurement, please let me know.
>         I'll welcome anyother relevant details.
> regards
> tarun
>
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