Re: help

Date view Thread view Subject view Author view

From: Sandy King (sanking@CLEMSON.EDU)
Date: 01/24/02-10:27:43 AM Z


Hi folks,

I had the same problem printing kallitype. There is a simple and
elegant solution. Use a small amount of the developer one-shot and
then discard. Not as expensive as you might think and you get
immediate relief with clear highlights.

Sandy King

>Tillman:
>
>This problem drives me nuts too. What I think is happening is that the
>developer picks up a lot of free metal and this is soaked up by the paper,
>but is really not 'bound' to anything since it is absorbed after the
>exposure. What I have done to cure this is face-down clearing, 1st bath in
>disodium EDTA, 2nd and 3rd in HCA, and at least 30 minutes of washing after
>all clearing baths. Then I hang the print from at least two different
>directions for about 10 minutes BEFORE throwing it on a drying rack. I
>haven't had problems since doing this. I also filter the developer through a
>coffee filter every once in a while.
>
>
>Clay
>
>----------
>>From: Tillman Crane <tillman@tillmancrane.com>
>>To: alt-photo-process-l@skyway.usask.ca
>>Subject: help
>>Date: Thu, Jan 24, 2002, 8:57 AM
>>
>
>>dear list,
>>i have run across a problem I can't solve.
>>I print pt/pd ad I prefer white borders rather than showing the brush
>>strokes. i print on crane's 90lb cover bright white. I have used
>>this paper for years.
>>
>>in the past several months I was able to print with white borders.
>>When I bought new paper all of a sudden i couldn't get clean white
>>borders. metal from the image bed into the white area.
>>
>>i use both pot oxalate and ammonium citrate developers. i tired
>>coating with 1% ox acid as a precoat, better but not solved, i tired
>>filtering my developer, no change. finally i mixed new ammonium
>>citrate developer, presto white borders. BUT as the developer aged
>>the bleeding began again.
>>
>>the bleeding doesn't show up on cranes cover natural white, only on
>>the bright white. do you think soaking the paper in oxalic acid
>>rather than just a precoat would help?? anyone else run in to this
>>problem?
>>
>>what i can't figure out is what changes as the developer ages and
>>picks up extra metal. as long as the developer is clear, then the
>>borders are clear. but as the developer picks up color the bleeding
>>begins. does it have something to do with the changing ph of the
>>developer? the bleeding continues when I add fresh developer to the
>>old developer.
>>any ideas?
>>thanks.
>>tillman crane
>>

-- 


Date view Thread view Subject view Author view

This archive was generated by hypermail 2b30 : 02/15/02-11:47:41 AM Z CST