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

Keith Schreiber keith at jkschreiber.com
Fri Feb 24 17:57:13 GMT 2012


Hi Philippe,

Not that I know of. It's just that over here in the states the tetra-sodium form is easily available. Not so much with the di-sodium form.

~ Keith


On Feb 24, 2012, at 10:00 AM, Philippe Ayral wrote:

> 2012/2/24 Keith Schreiber <keith at jkschreiber.com>:
>> Hi Loris,
>> 
>> because the citric acid converts the tetrasodium edta into the disodium form, so be sure they are dissolved fully before adding the sulfite.
>> 
>> Keith
>> 
> 
> So any reason not to use directly the di-sodium form ?
> 
> -- 
> Philippe Ayral
> 52, rue de Vallard - 74240 Gaillard
> Tél. 04 50 39 79 81
> http://payral.pagesperso-orange.fr
> _______________________________________________
> Alt-photo-process-list | http://altphotolist.org/listinfo



More information about the Alt-photo-process-list mailing list