Absorption of arsenic by edible plants

A. M. Hawk Widner amhwidner at home.net
Fri Mar 24 21:04:48 EST 2000


Why differentiate?  If concentrations do not increase over time, then where
is the leachate going?

Hawk

Alf Christophersen <alf.christophersen at basalmed.uio.no> wrote in message
news:38db9ea9.17118968 at nntp.uio.no...
> On Thu, 23 Mar 2000 14:30:10 -0500, Chris Owens
> <caowens at redsuspenders.com> wrote:
>
> >The problem with that is that a special load of treated wood would have
> >had to be made with radioactive tagging.  However, mass spec is very
> >sensitive.
>
> But would it differenciate btw- background arsenic (from ancient times
> or from composted seaweed or unpurified raw phosphor fertilizers etc.)
>
> Tagging with radioactivity or paramagnetic ions of arsenic would be
> the only method to differentiate.
>






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