jeffbuck@swcp.com
Date: 02/05/02-10:59:09 AM Z
Sandy, Eric and All: I just read Eric's "Making a Ferric Oxalate Solution" on
his website. Whew! I've been doing Pt/Pd since last summer and, so far,
making up FO from B&S powder form and distilled water. I mix up 25ml the
night before.... What do I stand to gain, aside from economy, by making up my
own FO according to the elaborate procedures outlined by Eric? -jeff buckels
Sandy King <sanking@CLEMSON.EDU> said:
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> Eric Neilsen wrote:
>
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> >
> >I have a how to section on my att web site for Ferric Oxalate. This is for
> >a direct to liquid approach. I has been discussed that this method my have
> >impurities in it. Perhaps, but if you make it carefully and repeat how you
> >make it, the variations from batch to batch are not a problem. As for how
> >difficult? expensive? The first time you make it is certainly a new
> >experience and getting small quantities of supplies may be more costly, but
> >slightly increasing the supplies pays off in the long run.
> >
>
>
> At your site you note that the chemicals required are 1) Ferrous
> Ammonium Sulfate ( Ammonium Iron II Sulfate), 2) Hydrogen Peroxide
> 30 - 50%, 3) Oxalic Acid (Dihydrate), and 4) Potassium Ferricyanide.
>
> I have some Ferric Ammonium Sulfate. Would this be the same as
> Ferrous Ammonium Sulfate?
>
> Sandy King
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> --
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