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Thu, 18 Aug 2005 19:48:40 -0400 |
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This message was originally submitted by [log in to unmask] to the BEE-L
list at LISTSERV.ALBANY.EDU. It was edited to remove quotes of previously posted material.
----------------- Original message (ID=400833CB) (72 lines) -------------------
From: "Erik Whalen-Pedersen" <[log in to unmask]>
To: "Informed Discussion of Beekeeping Issues and Bee Biology" <[log in to unmask]>
References: <[log in to unmask]>
Subject: Oxalic Acid
Date: Thu, 18 Aug 2005 17:27:56 -0500
Let's put some oxalic acid mythology to rest here once and for all!!! We
should also recognize that it is not approved for use in many areas. Oxalic
acid is indeed an oxidizing agent and it must be handled carefully. It is
not for human consumption.
Oxalic acid dihydrate is the stable crystalline (dry, powder) form of oxalic
acid (incorporating 2 water molecules for each molecule of oxalic acid in
order to make a stable crystalline form) and thus is the form that is most
commonly available. Anhydrous (no water in the crystal) oxalic acid could
possibly be procured but has NO particular advantage over the previous form
(and it would likely be more expensive).
Oxalic acid is in the LEAVES of the rhubarb plant (which are NOT consumed).
Oxalic acid is an oxidizing agent that is commonly used to "bleach" out rust
stains, for example but is not a danger if used properly.
One should also consider whether this is legal and ethical to use in their
own local area as well. Off-label applications could potentially be
dangerous and should not be pursued with the exception of research
institutions charged to do so.
Erik
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