concentration standard 31P at pH 13-14

From: Eric Condamine <Eric.Condamine_at_univ-rouen.fr>
Date: Thu, 5 Dec 2002 08:21:21 +0100

Dear All,

I look for a stable compound at high pH values ( pH 13 - 14) for
concentration standard 31P NMR spectroscopy. Indeed, I tried the
Me3PO4. At acid pH this compound is actually stable, but at very
basic pH the degradation is very fast.

Best regards,
Eric.


*************
Eric Condamine
Institut Fédératif de Recherches Multidisciplinaires sur les Peptides
Université de Rouen
UMR CNRS 6014
IRCOF - ECOBS - RMN
Rue Tesnière
76821 Mont-Saint-Aignan
Eric.Condamine_at_univ-rouen.fr
Tel : (33 2) / (02) 35 52 29 39
Fax : (33 2) / (02) 35 52 24 41
*************
Received on Thu Dec 05 2002 - 13:50:43 MST

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