Re: Weston Diploma Parchment

[Clay Harmon <wcharmon@wt.net>]

I think the yellow color is merely the unused ferric oxalate clearing  
from the paper fibers. That is really weird about the grease affecting  
the print in the way you describe. One more reason to not take your  
BLT into the darkroom when printing.

Clay
On Oct 22, 2008, at 6:46 AM, Jon Reid wrote:

> Hi all,
>
> Just following on from this mornings post.
> Here are a few pics of my clearing baths showing how yellow the  
> first bath became. I'm sure the clearing bath was reducing somewhat  
> the 'warmth' of the paper. Only two 5x7 prints had been in this bath  
> when the pics were taken. It is Kodak Hypo-Clear.  Others have  
> complained about its wet strength, which I found to be ok. What  
> really surprised me was how easily/readily it absorbed grease from  
> my fingers hands. The act of tearing up a 11x14 sheet into smaller  
> pieces has left that large palm-print on the paper which you can see  
> as the really yellow bit. This then clears and takes the image with  
> it! Obviously if I was printing anything other than tests I'd use  
> full sheets and not handle any part related to the image but I've  
> never had that issue with Arches Platine.
>
>
> http://www.sharperstill.com/jonreid/pics/IMG_4859.jpg
> http://www.sharperstill.com/jonreid/pics/IMG_4861.jpg
> http://www.sharperstill.com/jonreid/pics/IMG_4863.jpg
>
> Jon