[alt-photo] Re: Uranyl Nitrate toner, where to get?

eric nelson emanphoto at gmail.com
Tue Nov 6 01:38:48 GMT 2012


Uranium nitrate toned silver prints aren't stable from what I've heard, and
have seen them bronze out.  I still have prints that have not bronzed or
changed much by my eye.
If you can find uranium nitrate, formed as a by-product of testing uranium
which is done by pouring nitric acid on it, then you can easily make the
toner w/ferricyanide and acetic acid.
e

On Tue, Nov 6, 2012 at 6:30 AM, Rich A <rander3127 at gmail.com> wrote:

> I've heard it was still avail, but don't know where from.  I saw one kit
> from Berg but I believe the red toner they now have is dye-based and not
> metal salt based.
> Thanks.
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