Dear Mihali:

Thanks for your advice.

I am sending you the papers with a separate email. I hope that they will be
useful to get some insight into your work.
Best wishes
Mahendra


----- Original Message -----
From: "Mihali A. Felipe" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 23, 2005 10:04 AM
Subject: Re: Carbonic analysis in Petroleum waters


> On Thu, 23 Jun 2005, Mahendra P. Verma wrote:
>
> ...
> > We wish to extend the application of this method for petroleum waters.
> > Therefore, we need your help to get well characterized (major chemical
> > analysis including HCO3 and CO3) petroleum waters. We need 50-100 ml of
> > water sample. Thanks in advance for any support, suggestion and help.
> ...
>
> Hi Mahendra:
>
> When you have found the suitable method to analyze these and if you have
> the time and the resources, I suggest you analyze for malonic acid as
> well. We have proposed this to be the reaction intermediate in the
> isotope exchange reaction between organic and inorganic carboxyl groups.
> See
>
> Felipe M.A., Kubicki, J.D and Freeman, K.H. (2005) "A mechanism for carbon
> isotope exchange between aqueous acetic acid and CO2/HCO3-: An ab initio
> study." Organic Geochemistry 36, 6 , 835-850.
>
>
> Best,
>
> - Mihali
>
> ----
> .  Mihali A. Felipe, Ph.D.
> .  Yale University Molecular Biophysics and Biochemistry
> .  (203)432-6428
>