Re: pKa of SDS

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#2267

From: Gene Huh
Date: Fri, 19 Apr 1996 00:00

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In article <4l4jit$5m5@agate.berkeley.edu>, lhom@nature.berkeley.edu
(Louis Hom) wrote:

> Does anyone know the pKa of SDS (sodium dodecyl sulfate)?  I'm guessing
> it's near 2 (the 2nd pKa of H2SO4), but don't know for sure. 
> -- 
>
_______________________________________________________________________________
> Lou Hom >K '93                            
> lhom@nature.berkeley.edu                        No method to my madness.
> http://www.ocf.berkeley.edu/~lhom 

To address your original question (rather than debate its chemical
structure :), I would guess that it's closer to the first pKa rather than
the second, since the dodecyl sulfate ion is only singly charged (and
therefore more like HSO4- than SO4--).
Gene Huh
gshuh@garnet.berkeley.edu

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From: gshuh@garnet.berkeley.edu (Gene Huh)
Subject: Re: pKa of SDS
Date: 1996/04/19
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references: <4l4jit$5m5@agate.berkeley.edu>
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