August 2004 Alt-Photo-Process-L: Re: physical developers

From: MARTINM ^lt;martinm@SoftHome.net>
Date: 08/26/04-12:42:36 AM Z
Message-id: <000701c48b37$e16cc2c0$a4ada2d9@MUMBOSATO>

> In it formulates it of the developing GP-3, I don't see the quantity of
> necessary water. Is 1000 ml., 1 gallon?.

Sorry, it's 1000 ml.

Martin

----- Original Message -----
From: "JUAN MIGUEL JUSDADO" <jusdado@teleline.es>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Wednesday, August 25, 2004 8:02 PM
Subject: RE: physical developers

> Hi Martin,
> In it formulates it of the developing GP-3, I don't see the quantity of
> necessary water. Is 1000 ml., 1 gallon?.
>
> Thank you and pardon for my English, text translated by computer.
>
> -----Mensaje original-----
> De: MARTINM [mailto:martinm@SoftHome.net]
> Enviado el: martes, 24 de agosto de 2004 12:05
> Para: alt-photo-process-l@sask.usask.ca
> Asunto: Re: physical developers
>
>
> Ray, if you are looking into processing "Lipps", you might consider those:
>
> GP-3
> stock solution:
> phenidone.................0.2g
> hydroquinone...............5g
> sodium sulfite...........100g
> potassium hydroxide..25g
> amonium thiocyanate..45g
>
> 15ml stock solution + 400ml distilled water: 5 - 15min. at 20°C
>
> Valenta
> A
> pyrogallol.................1g
> water......................100ml
>
> B
> ammonia (s.w. 0.91)..67ml
> potassium bromide......20g
> water......................200ml
>
> 10ml A + 20ml B + 70ml water
>
> Generally speaking of that kind of developers (= "colloidal developers")
> developing times might greatly depend on the initial emulsion hardness as
> well as silver concentration and grain size...
>
> Martin
>
>
>
>
> ----- Original Message -----
> From: "Bill William" <iodideshi@yahoo.co.jp>
> To: <alt-photo-process-l@sask.usask.ca>
> Sent: Tuesday, August 24, 2004 6:29 AM
> Subject: physical developers
>
>
> > Speaking of physical developers, anyone here use them?
> >
> > Got any formulas / experience you would like to share?
> >
> > Ray
> >
> > __________________________________________________
> > GANBARE! NIPPON!
> > Yahoo! JAPAN JOC OFFICIAL INTERNET PORTAL SITE
> > http://mail.ganbare-nippon.yahoo.co.jp/
> >
>
Received on Thu Aug 26 00:44:11 2004