Thank you Don. I have tried pre-coating w oxalic acid - it produced an
unacceptable increase the density of blacks but no relief from clearing
problems w BFK. This problem, IME, is essentially erratic and
unpredictable. Rajul
On 28-Mar-06, at 8:41 PM, Don Bryant wrote:
> Rajul,
>
>>
> I have had problems consistently clearing Satista prints made on BFK,
> using
> a mix of warm Na4EDTA + citric acid (2% of each). However, Cot and
> Arches
> Platine clear to paper base with ease.
> I would like to try Permawash with BFK. What brand of Permawash do you
> use,
> and how many sq. inches does a 4oz/gallon solution clear?
> I found the use of Kodak's HCA after fixing with Ilford's Hypam
> bleached the
> print. Switching to sodium thiosulfate has eliminated this problem.
>>
>
> Try giving the BFK an acid presoak treatment with oxalic acid. This may
> help. I've not tried it with BFK and Satista but it may work since BFK
> needs
> to be acidified for palladium printing.
>
> Don Bryant
>
>
>
>
>
Received on Wed Mar 29 10:10:14 2006
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