[pure-silver] Re: Microphen and possible formulas
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Fri, 11 Feb 2005 21:47:23 -0800
----- Original Message -----
From: "Michael Briggs" <MichaelBriggs@xxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Friday, February 11, 2005 8:29 PM
Subject: [pure-silver] Microphen and possible formulas
>
> On 11-Feb-2005 Ryuji Suzuki wrote:
>>> Microphen is a packaged version of Ilford ID-68
>>
>> As far as I know they are different developers.
>> Microphen is said to be same as an unnumbered Ilfored
>> formula
>> developed for repenished deep tank use.
>>
>
> Some have guessed ID-68 to essentially be Microphen, and
> others have guessed
> the Ilford Replenishing Developer. Perhaps both guesses
> are just as
> accurate, the formulas have strong similarities. The
> best test would be to
> mix all three and develop some film.
>
> ID-68 IRD
> sodium sulfite 85 g 100 g
> hydroquinone 5 g 5 g
> borax 7 g 3 g
> boric acid 2 g 3.5 g
> phenidone 0.13 g 0.2 g
> potasium bromide 1 g 1 g
> water to make 1 liter 1 liter
> target pH ? 8.95
>
> The formula for Ilford Replenishing Developer is from page
> 112 of The Film
> Developing Cookbook. Also given are two replenishers for
> this developer, one
> for topping up and the other for a bleed system.
>
> --Michael
>
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