>Hydrogen peroxide is an oxidizer, not a dispersant (disaggregant).

ANY chemical which breaks down matrix is a disaggregant.

>For those without access to chemical supply companies, a simple way
>to create a dispersant (to disaggregate sediment samples) is to mix
>Calgon with tap water at a concentration of ~10%.  The Calgon will
>dissolve in the water.  Soak the sediment sample in the Calgon
>solution in a glass or jar (you can seal the jar and shake gently to
>speed the process along).  For most unconsolidated marine sediments,
>it should take only a few minutes to disperse the sample.  Allow the
>sand-sized particles (shells, etc.) to settle and pour off the mud
>suspended in the Calgon solution.  Do this several times or until
>the Calgon solution remains clear (i.e. no more mud).

What on earth is Calgon... ie what chemical? US brand names are only
applicable in the US.
--
Andrew Grebneff
Dunedin, New Zealand
64 (3) 473-8863
<[log in to unmask]>
Fossil preparator
Seashell, Macintosh & VW/Toyota van nut
I want your sinistral gastropods!
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Q: Because it reverses the logical flow of conversation.
A: Why is top posting frowned upon?