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[OM] Re: Grain with APX100 in Rodinal?

Subject: [OM] Re: Grain with APX100 in Rodinal?
From: christian <fischerchristian@xxxxxxx>
Date: Thu, 29 Jul 2004 09:58:44 +0200
Hi, 
for temperature unstability and durability of the solutions 
you can try diafine. 
Christian

Le Mercredi 28 Juillet 2004 16:28, vous avez écrit :
> Hi again,
>
> is it normal that I can see the grain on a 10x15 print of APX 100 (at
> ASA 160) in Rodinal 1+50 (20deg C, 17min, 1st minute constant agitation,
> then all 30s once)? It seems to be a bit much grain, especially at 18x24
> it ain't very nice (although do i expect some grain there.) If I compare
> it to a print that I had done in a lab a few years ago (FP4+), i can see
> as large grain (on 18x24) as on my 10x15 print.
>
> How much tolerance is there on e.g. the temperature (I try to use 20deg
> C water, but I don't know how much it increases during the 17mins; room
> temp is approx 22deg currently), or the water:rodinal ratio? (I don't
> have anything more precise than a scale that starts with 10ml yet, and I
> need approx 5ml Rodinal for 1+50; I need to go search for something more
> precise). I guess I can keep the temp between 20 & 21deg and the amount
> of rodinal between 4 to 6ml, could this be the problem?
>
> I'll try to send a scan of the 10x15 as soon as my scanner works again.
>
> --nils
>
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