effect of DMSO on pH
jjmirujo at unav.es
Sat Mar 18 03:59:46 EST 2000
"Bernard Murray, PhD" wrote:
> In article <852568A5.00766F9D.00 at baltmta01.ms.bd.com>,
> Bill_A_Nussbaumer at ms.bd.com wrote:
> > Bill A Nussbaumer at BDX
> > 03/17/2000 04:44 PM
> > Hi all,
> > Does anyone have any information or experience regarding the effect on
> pH vs the effect on a pH meter when DMSO is added to a buffer? Actual data,
> references, theories, and postulations all welcome.
> If handwaving is permitted, then.....
> DMSO is an aprotic solvent. Therefore pure DMSO shouldn't
> change the pH at all (but watch those contaminants!).
> How did I do?
> Bernard P. Murray, PhD
> bpmurray at cgl . ucsf . edu
> Department of Cellular & Molecular Pharmacology, UCSF
What about the effect of DMSO on dielectric constant? It was also reported that DMSO
forms stable coordination complexes with metals.
Juan Jose Martinez Irujo
Departamento de Bioquimica
Universidad de Navarra
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