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Photography > Dark Rooms > Re: Still on Ro...
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Re: Still on Rollei ATP film

by piterengel <pslaviero@[EMAIL PROTECTED] > Mar 23, 2008 at 10:30 AM

On Mar 23, 6:11 pm, piterengel <pslavi...@[EMAIL PROTECTED]
> wrote:
> I start a new post about this film.
>
> I've tried my first roll, exposed at 25 ISO, taking pictures of
> mountain landscape, with few snow and clouds on sky.
>
> I've tried Delagi #8 developer, 15 mins at 20 degrees, exactly the
> same used with Kodak TP film. The result is a quite weak negative,
> completely different from TP one. So I can conclude, by now, that
> Rollei ATP does not seem to be the subsitute of TP. I would like to
> try with POTA developer, but after Delagi this seems a lost of time.
>
> Looking for technical sheets of Rollei ATP I see another developer,
> Docufine LC. From MSDS I find:
>
> hydroquinone 3 %
> sodium hydroxide 1 %
> sodium carbonate 8 %
>
> for a total amount of solids of 12 %
>
> But at point no. 9 of MSDS it is written that the solids content is 23
> %, very different from 12 % found before. So, where is the trick? Are
> there non dangerous components that increase the solids amount but
> essential for developer?

A precisation.

Data form MSDS are taken form english version of it (date:
31.05.2006). Looking on the german version (date: 23.07.2003)  of the
same product I see:

phenidone (a derivative of it) 1-2 %
potassium 2,5-diidroxybenzensulponate 1-2 %
diethylene glycol 10 %

So the mistery is darker...




 4 Posts in Topic:
Still on Rollei ATP film
piterengel <pslaviero@  2008-03-23 10:11:02 
Re: Still on Rollei ATP film
piterengel <pslaviero@  2008-03-23 10:30:05 
Re: Still on Rollei ATP film
"Richard Knoppow&quo  2008-03-23 11:51:26 
Re: Still on Rollei ATP film
piterengel <pslaviero@  2008-03-23 12:39:40 

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tan12V112 Fri May 16 23:40:04 CDT 2008.