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What happened to Pinakryptol?



 
 
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  #1  
Old February 17th 04, 04:37 PM
Nicholas O. Lindan
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Default What happened to Pinakryptol?

Pinakryptol dye was/is a desensitizing agent that allowed
film to be inspection developed under an OA(?) safelight.

I know it comes in green, yellow and white - with the yellow
and white preferred these days.

Does anybody use it for developing sheet film by inspection?

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
  #2  
Old February 17th 04, 10:02 PM
Paul W. Ross
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Default What happened to Pinakryptol?

I would love to find some. I do 4x5's from my pinhole camera by
inspection. I have the dark green safelight, and take a quick peek
about 2/3 of the time through the standard time/temperature value.
Works fine. At those low light levels, it is very hard for me to judge
contrast/level of development, but I have had good results.
  #3  
Old February 17th 04, 10:22 PM
d23
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Default What happened to Pinakryptol?

I bought some from Photographer's Formulary not too long ago.
Charles Portland Or


  #4  
Old February 22nd 04, 12:37 AM
Ian Grant
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Default What happened to Pinakryptol?

I have quite a lot :-) really !

but then it's economics and depends where in the world you are.

I bought the entire stocks of Photochemicals from a UK chemical supplier a
few years ago - for next to nothing. They were bought up and ceased trading
the following year.

So loads od Pinacryptol Yellow, dilute and highly concentrated / powder.

So if your in Europe no problem, it would be cheap.

Ian

"Paul W. Ross" wrote in message
om...
I would love to find some. I do 4x5's from my pinhole camera by
inspection. I have the dark green safelight, and take a quick peek
about 2/3 of the time through the standard time/temperature value.
Works fine. At those low light levels, it is very hard for me to judge
contrast/level of development, but I have had good results.



 




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