Re: ORGLIST:acid catalyst-buffer

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From: Jacob Zabicky (zabicky$##$bgumail.bgu.ac.il)
Date: Tue Oct 12 2004 - 10:37:11 EDT


Hello Marjorie,

Good idea! Just try it! Why not?

Jacob

On Oct 11, 2004, at 15:04, finechem wrote:

> Dear Collegues,
>
> A compound contains the following substances with the
> corresponding functions :
>
> 1) Malic acid ( Function : organic acid catalyst)
> 2) Sodium Hexametaphosphate (Function : Inorganic
> buffering agent)
>
> MALIC ACID CITRIC ACID
>
> COOH CH2-COOH
> HO-C-H HO-C-COOH
> CH2 CH2-COOH
> COOH
>
> - Can Malic acid be substituted by Citric acid for
> this purpose as an organic acid catalyst ?
> Citric acid is very similar in structure to Malic acid
> Both are metabolites in Krebs/Citric acid cycle
>
> - Can Sod.Hexametaphosphate be substituted by sodium
> citrate as the buffering agent ?
> Citric acid/Sodium Citrate buffer
>
> Aim is to achieve dual purpose of citric acid : As an
> organic acid catalyst and buffering agent.
> Is this possible?
>
> Thanks in advance,
> jmarjorie
> chemicals555$##$yahoo.com
>
>
>
>
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Prof. Jacob Zabicky
Institutes for Applied Researcfh
Ben-Gurion University of the Negev
P. O. Box 653
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-------------------------------------
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