Created on: 1998/05/22
Last updated on: 1998/05/22
Version: 1.0
License: GPL
© 1998-2004 Jesus M. Castagnetto (jmcastagnetto at php dot net)
No longer maintained/supported.
The zip file contains a JFile DB with the pKa of (mostly) organic buffer substances, indicating the respective dissociation step and the d(pKa)/dT coefficient where available. Data obtained at 25oC, unless explicitly noted. The notes corresponding to different conditions are also included in the DB.
Also included is a memopad text with the proportions needed to prepare an approximate pH universal buffer solution (range pH = 2.0 - 12.0)
Download: 
Buffer substances and Universal Buffer Solution (4.38 KB)
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