Re: Purity & Price

[eric nelson <emanphoto@gmail.com>]

Thanks Marek, that's my supposition as well although I mis-quoted the
lower grade of purity which is 99.95 instead of 99.99 in case that
makes any difference.  60¢ per gram is mighty tempting.
Eric

On 8/21/07, Marek Matusz <marekmatusz@hotmail.com> wrote:
>
>  Eric,
>  I have very little experience with albumen printing, but I would bet that
> 99.99% is sufficient purity. As a matter of fact such a high purity of
> silver nitrate would not have been used at the turn of century when albumen
> was practiced. Even 99.9% would exceed standards used back then.
>  Marek
>
>
>
>  ________________________________
>  Date: Tue, 21 Aug 2007 00:41:05 -0500
> From: emanphoto@gmail.com
> Subject: Purity & Prices
> To: alt-photo-process-l@usask.ca
>
> I was just doing some online searches for silver nitrate crystals and 1%
> gold chloride solution and I found that the prices can vary widely.  $30-54
> for 100 mls for the Au and .60 -.99 per gram for the silver.
>
> With the silver nitrate, the purity affects the price a lot but doesn't seem
> to be a big difference in terms of purity.
>
> My question to the group is, does a purity difference of 99.99% vs 99.995%
> make enough of a difference for albumen printing?  My guess is that it
> doesn't but I wanted to check with the experts first!  This purity
> difference makes a $30 difference in the price of 100 grams of AgNO3.
>
> Also, has anyone had any experience with saltlakemetals.com?
>
> Eric
>
>
>
> ________________________________
> See what you're getting into…before you go there See it!