RE: ferric citrate

Unless you have a medical condition or own an aquarium the only thing it's
useful for is contrast control in Van Dyke Brown -- as far as I know.

~m

-----Original Message-----
From: Marek Matusz [mailto:marekmatusz@hotmail.com]
Sent: Friday, January 13, 2006 12:58 PM
To: alt-photo-process-l@sask.usask.ca
Subject: RE: ferric citrate

This is an older message, but I somehow missed it. Is ferric citrate used in
any alt processes. I have used it in the past to adjust contrast of van dyke
solution. Any other uses?
Marek, Houston

>From: Michael Koch-Schulte <mkochsch@shaw.ca>
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: Alt-Photo-Process-L <alt-photo-process-l@sask.usask.ca>, ann clancy
><clancyja@comcast.net>
>Subject: RE: ferric citrate
>Date: Sat, 07 Jan 2006 21:13:47 -0600
>
>Ann,
>I also stumbled upon this link. Now my curiosity is getting the better of
>me...
>
>"...Panion's new patent covers a process that makes ferric citrate in three
>steps or less, which makes the product's final composition much easier to
>control, with more reproducible ratios between the iron and citrate
>components.
>The process involves mixing solid citric acid and a solid ferric salt –
>preferably ferric chloride, ferric sulfate or ferric nitrate - adding
>alcohol to the mixture, and then filtering the mixture to obtain solid
>pharmaceutical-grade ferric citrate. .."
>
>http://www.in-pharmatechnologist.com/news/ng.asp?n=60526&m=1IPE608&c=#email
c
>ode
>
>I guess the big question is which alcohol do you use?
>
>~m
> -----Original Message-----
> From: ann clancy [mailto:clancyja@comcast.net]
> Sent: Friday, January 06, 2006 7:25 PM
> To: alt-photo-process-l@usask.ca
> Subject: ferric citrate
>
>
> Does anyone know where one can purchase Ferric citrate? I want to try
>Liam Lawless suggestion about substituting this for Ferric Ammonium
>Citrate.
>
> I have checked Artcraft, B&S, and the Photoformulary , with no success.
>
> thanks,
> ann clancy
Received on Fri Jan 13 22:59:08 2006