[pure-silver] Re: Paraformaldehyde/Acetone in lith developers
- From: Robert Hall <robert.g.hall@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 2 Mar 2010 08:15:08 -0700
Claudio,
I mix 3 liters at a time with distilled water. I use distilled as I have
high levels of minerals in my water. I will refer you to Richards formula as
it is off the list here I originally requested and received such.
I would avoid mixing any photo chemicals dry.
Robert Hall
www.RobertHall.com
>
> You're interesting me as I have some difficulties to find sodium
> metaborate but have borax and sodium hydroxyde ...
>
> What's the procedure ?
> Do you really make sodium metaborate in crystalline form to re-use it later
> or do you just mix the proportional quantities of both directly into the
> final developer/fixer/... solution ?
>
> So I went from commercial chemicals to mixing raw chemicals, and now I'm
> going to make the raw chemicals ...
> Anyone having the formula to change lead into gold ? :-)
>
> Thanks,
> Claudio
>
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