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trapping H2S

Julian Wimpenny WimpennyJ at cardiff.ac.uk
Thu Sep 17 08:44:58 EST 1998


Dear Mark,

You should try the standard method for absorbing H2S which is cadmium
chloride. My student (some years ago now) Hamid Abdollahi used 3 reaction
bottles in series containing 100 ml 1% CdCl2. This is a basis for a good
standard method for measuring H2S since cadmium sulphide is very insoluble.
Simply filter the cotents of the bottles and dry to constant weight!

Good luck!

Julian







>Does anyone know of a method to trap H2S (hydrogen sulfide) gas.
>Something similar to trapping CO2 in base would be preferable.  We're
>trying to get a handle on what volatile sulfur compounds might be given
>off from 35S-labeled bacteria, and only H2S really came to mind as
>"volatile."
>
>Thanks in advance for any suggestions.
>
>-Mark Fuller
>fuller at envirogen.com
>
>
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**********************************************************
Professor Julian Wimpenny
School of Pure and Applied Biology
Cardiff University
Cardiff CF1 3TL
Wales, UK
tel: +44 (0) 1222 874974
fax +44 (0) 1222 874305
email: WimpennyJ at cf.ac.uk
**********************************************************




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