Archived posting to the Leica Users Group, 2006/07/01

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Subject: [Leica] xtol spots
From: philippe.orlent at pandora.be (Philippe Orlent)
Date: Sat Jul 1 12:55:10 2006
References: <4F488248ADCD6C419976DFE43A115091EBACA3@sv-ex01.jp2hs.campus>

In an airconditioned thus colder house, I'd not expect mold since the  
risk for that is higher at warmer houses due to the bigger temp.  
difference.


Op 1-jul-06, om 21:46 heeft Arche, Harvey het volgende geschreven:

> The spots I'm getting on Tmax 3200 are not from using a wax paper  
> bottle seal like I thought. I'm having the same problem with a  
> completely new batch of Xtol.
>
> To recap: they look like yellow mold spots (3/4mm - 2mm in dia.)  
> scattered all over the wet film. On scanning the dried film they  
> show as areas of hyper development, the larger ones dount shaped.
>
> I'm mixing with distilled water. I'm using kodak rapid fix with  
> hardener, but this wasn't a problem before. I'm mixing my 1:3  
> dilution in a measuring cup that has never had anything but  
> developers mixed in it.
>
> Could be the film batch, but the first 4 rolls out of a box of 20  
> were OK. One possiblity: actual mold? I store in the fridge, and  
> take out 1-3 days in advance of use. Could moisture cause mold to  
> form in a house with AC?  What would it look like on developed  
> film? Its not happening with other film I handle in the same way.
>
> Next I'll develop a roll in D-76 and see what happens.
>
> Thoughts and suggestions welcome.
> Arche
>
>
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In reply to: Message from Harvey.Arche at jp2hs.org (Arche, Harvey) ([Leica] xtol spots)