Peter Edwards wrote:

> Oxalic acid is extremely poisonous - I think that you would be dead long
> before suffering anaemia!

A check on the toxicity of Oxalic Acid is more in line with Ari's
information. Compared to Formic, it is much  less harmful. Here is a
site that shows the differences.

OA
http://www.inchem.org/documents/icsc/icsc/eics0707.htm

Formic
http://www.inchem.org/documents/icsc/icsc/eics0485.htm

Another major factor is the concentration. With the OA mix you are
looking at a 4% solution (Sherlock Holmes anyone) while the Formic pads
are much more concentrated.

However, when you look at OA being used in vaporizers, then it is
dangerous, but even there, not as great as Formic, which can kill in
that state.

In any case, prudence is in order when working with any chemical.
Interesting that the greatest chemical killer is good old H2O (it is
actually the number one killer of young children- drowning).

Bill Truesdell
Bath, Maine

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