[pure-silver] Re: What happens when XTOL dies
- From: "Ralph W. Lambrecht" <info@xxxxxxxxxxxxxxxx>
- To: PureSilverNew <pure-silver@xxxxxxxxxxxxx>
- Date: Tue, 28 Feb 2006 21:00:27 +0100
What do you guys mean by improved gradation?
Regards
Ralph W. Lambrecht
http://www.darkroomagic.com
On 2006-02-28 19:24, "titrisol" <titrisol@xxxxxxxxx> wrote:
> As per unblinkingeye article try the same but with 5 g/l of
> sodium ascorbate (I use 1/2 teaspoon per 500ml) The grain and
> grdation are improved and development is more energetic
> (superadditivity?)
> For 1+50+C I use the times for 1+25 and results are very good.
>
>
> --- "Koch, Gerald" <gkoch02@xxxxxxxxxx> wrote:
>
>> For many years I used Rodinal for medium and fast speed films
>> by
>> diluting it with a 7.5% solution of sodium sulfite instead of
>> water.
>> Developing times were reduced by approximately 20%. Grain and
>> gradation
>> were improved.
>>
>> -----Original Message-----
>> From: pure-silver-bounce@xxxxxxxxxxxxx
>> [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Frank
>> Filippone
>> Sent: Monday, February 27, 2006 6:06 PM
>> To: pure-silver@xxxxxxxxxxxxx
>> Subject: [pure-silver] Re: What happens when XTOL dies
>>
>>
>> Formulary Paraminophenol is a p-aminophenol hydrochloride
>> film
>> developer that is economical and excellent for slower speed
>> films (ASA
>> 32-200). Unless graininess is desired, Formulary Rodinal is
>> not
>> recommended for faster films. Formulary Rodinal produces very
>> good
>> sharpness, high acutance and fine grain when used to develop
>> modern,
>> ultra fine-grain emulsions. The contrast is variable and
>> depends upon
>> dilution and development times. The chemicals in the kit are
>> used to
>> prepare a stock solution, which is diluted 1:50 or 1:100 to
>> yield up to
>> 100 liters of working solution. The shelf life of the stock
>> solution is
>> six months. The working solution is used once and then
>> discarded.
>>
>> Because the developer is used at very high dilution, it has a
>> compensating action that prevents blocked highlights and
>> brings out
>> shadow detail.
>>
>> This is an old Agfa formula but we are uncertain how similar
>> it is to
>> the most recent liquid version they had out. As with all new
>> developers
>> we recommend that you do your own tests.
>>
>>
>> Photographers Formulary.....
>>
> http://www.photoformulary.com/DesktopModules/StoreProductDetails.aspx?pr
>> oduc
>> tID=60&tabid=9&tabindex=2&categoryid=31&selection=0&langId=0
>>
>> Frank Filippone
>> red735i@xxxxxxxxxxxxx
>>
>>
>>
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