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

[EJ Photo]

Tetra is cheaper and even with citric being added may still be cheaper and
then you have both would be my guess as to Howard's thinking.  It is
certainly mine on that combination. Great info Keith. 

Eric Neilsen
Eric Neilsen Photography
4101 Commerce Street, Suite 9
Dallas, TX 75226
 
www.ericneilsenphotography.com
skype me with ejprinter
Let's Talk Photography
 
-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of
Philippe Ayral
Sent: Friday, February 24, 2012 11:01 AM
To: The alternative photographic processes mailing list
Subject: [alt-photo] Re: Sulfite + Na4.EDTA clearing bath quick
kitchenformula?

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
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