[alt-photo] Re: Sulfite + Na4.EDTA clearing bath quick kitchen formula?

[Graeme Lyall]

What is EDTA?   Thanks.



On Fri, Feb 24, 2012 at 7:36 AM, Loris Medici <mail at loris.medici.name>wrote:

> Thanks Philippe!
>
> Out of curiosity, I found a formula that says:
>
> 2 Tbsp Na4.EDTA
> 1 Tbsp citric acid
> 1 Tbsp sodium sulfite
>
> The EDTA:sulfite proportions are reversed here, I guess it's not
> critical - as long as they're together. Do you have any experience
> with a formula similar to the above?
>
> Regards,
> Loris.
>
>
> 23 Şubat 2012 14:36 tarihinde Philippe Ayral <payral at gmail.com> yazdı:
> > In my work I use 20g sodium sulfite per liter (should be a heaping
> > dessert spoon) plus a half one for EDTA.
> > It works for Arche Platine.
> >
> > 2012/2/23 Loris Medici <mail at loris.medici.name>:
> >> Anyone with a quick kitchen formula for sodium sulfite + tetrasodium
> >> EDTA clearing bath for pt/pd? (I mean something like: 2 dessert spoon
> >> sulfite + 2 dessert spoon EDTA into 1000ml water...)
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