RE: Kodalith fine line developer formula (sort of)

Nick,

The formaldehyde plays a crucial role: it binds the sodium sulfite. If the
sulphite is free, it will prevent the lith effect (See Tim Rudmens book for
a detailed description). It seems that the for,maldehyde can be replaced by
aceton, but I never tried that.

Best,

Cor

> -----Original Message-----
> From: Nick Zentena [mailto:zentena@sympatico.ca]
> Sent: Tuesday, November 23, 2004 4:18 PM
> To: alt-photo-process-l@sask.usask.ca
> Subject: Re: Kodalith fine line developer formula (sort of)
>
>
> On November 22, 2004 10:54 pm, Judy Seigel wrote:
>
> >
> > A: 75-80% formaldehyde bisulfite
>
> > 5-10% sodium formaldehyde bisulfite
>
>
> Is the formaldehyde in the various lith developers just
> for film hardening?
> If it is can those of us that are trying to use Lith
> developers for lith
> prints just leave it out?
>
> Nick
>
Received on Tue Nov 23 09:26:23 2004