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Re: USP grade




On Mon, 25 Jun 2001, Cavan wrote:

> Roger Miller wrote:
>
> "If you are concerned about the impurities then it
> would be
> better to use a USP grade product rather than an
> agricultural product."
>
> Roger, what is a USP grade product.

It stands for US Pharmacopeia (actually, I would have said US
Pharmaceutical, but Jared posted first and I think he's right).

I think you can regard this as "food grade".  Its the grade used in a lot
of chemicals for household use, like baking soda and epson salt.  It's
probably also the lowest grade that you can get in small quantities from
many chemical suppliers.


Roger Miller