In message <[log in to unmask]>, James Fischer
<[log in to unmask]> writes
>I guess the best description for oxalic acid would be "a naturally occurring
>toxin",
>found in very low levels in many foods".
>
>It certainly is NOT on the "Generally Recognized As Safe" list.
>
>And while it may be is "easier to use" than Formic, I don't think it would be
>easier to "register as a pesticide" than formic.
I believe it is widely used in Continental Europe because it is a lot
less dangerous to both beekeepers and bees than formic acid and much
less temperature dependent. It is registered in many EU countries and
well researched. It is permitted in the UK as a "curative substance" but
not registered as no-one would dream of spending the sums involved to
register it as a veterinary medicine since it is a cheap chemical and
dispensed without proprietary gear.
--
James Kilty

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