[pure-silver] Re: Adding Sodium Sulfite to Rodinal and Developer exhaustion.
- From: Howard Efner <hfefner@xxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 17 Jul 2012 21:33:10 -0600
Using the GYF numbers - 1 roll 120 = 80 sq. in. = 1 sheet 8x10 or 4 4x5.
Howard
On Jul 17, 2012, at 9:07 PM, Bogdan Karasek wrote:
> Hello, and thanks for the information. Now I know why the S.S. is in there.
>
>
> You mention adding a 1ml of Rodinal for every roll developed. What would be
> the equivalent in sheet film, either 4x5 or 8x10?
>
> Thanks again.
>
> Cheers,
> Bogdan
>
>
> On 17/07/2012 10:19 PM, Gerald Koch wrote:
>>
>>
>> --- On Wed, 7/18/12, Bogdan Karasek <BKarasek@xxxxxxxxxxxx> wrote:
>> The first time I saw a mention of adding sodium sulfite to Rodinal was in an
>> article by Bill Pierce entitled "Rodinal Rejiggered" which appeared in
>> Popular Photography Sept. 1966. Which says, "If Rodinal is diluted with a
>> solution of 75 g/l of anhydrous sodium sulfite the keeping properties are
>> greatly improved. The sulfite acts as a preservative and also dissolves
>> some silver halide to improved the grain. Used in this manner Rodinal
>> sulfite becomes a medium fine-grain developer producing brilliant prints
>> with very clean highlights. Diluted 1:100 with sulfite Rodinal may be used
>> as a tank developer. Replenish with 1 ml of Rodinal for each roll of film
>> developed. The replenished solution keeps for 1 month."
>>
>> In my experience the development times are a bit shorter than for the same
>> dilution without the sulfite. I haven't done this for many, many years but
>> routinely used this method for 120 film after reading the
>> article.
>>
>> Jerry
>>
>> From: Bogdan Karasek <BKarasek@xxxxxxxxxxxx>
>> Subject: [pure-silver] Adding Sodium Sulfite to Rodinal and Developer
>> exhaustion.
>> To: pure-silver@xxxxxxxxxxxxx
>> Date: Wednesday, July 18, 2012, 12:33 AM
>>
>> Hello,
>>
>> I am developing some 4x5 Efke 25. and i want to use Rodinal 1+100. The
>> "Massive Dev Chart" gives a time for 11minutes for 120 film. What time
>> should I use for 4x5?
>> Also, there is a caveat. I have to add 1 tbsp of Sodium Sulfite per 500ml.
>> What role does the Sodium Sulfite play in the solution?
>>
>> Related to that, i am developing the sheet film in 6L tanks that can hold 4
>> film racks with each rack holds 4 sheets, so 16 sheets developed in 6L of
>> Rodinal 1+100. Will the developer be exhausted after 1 development or can I
>> do a second round of 16 sheets. I'm just getting used to the idea of
>> mixing 6L of developer, stop and fixer. It's when I get to the 16L Kodak
>> tanks that the fun will start. Am I better off using the 16L tanks?
>> Problem is that when I shoot still life and macro in the studio, I'll
>> shoot the same item in 4x5 for possible enlarging and 8x10 for contact
>> printing, so I need to have tanks for 8x10.
>>
>> The same questions applies if I am using 6L of D-76 1+1?
>>
>> I used to do my developing my sheets film developing using the Ansel Adams
>> 5 card shuffle in trays, but now that I am also starting to shoot more 4x5
>> and am also starting in on 8x10.. So I decided that using the racks for
>> 4x5, 5x7, and 8x10 would be faster as I can process more film.
>>
>> Any comments and suggestions are welcome.
>>
>> Cheers, Bogdan
>>
>>
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