D11 at wrong dilution

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zeiss
Posts: 4
Joined: Mon Oct 03, 2016 3:40 am

D11 at wrong dilution

Post by zeiss »

In the third edition of the book, David wood recommends the use of D11 as first developer for reversal, but in a 1:3 dilution during 12-15'. This has been widely discussed at APUG and other places, because this dilution doesn't work and almost everybody thought it was a typo. At the fourth edition, it appears again uncorrected.

Is it possible for Mr. Wood to shed some light on this?
Miroinchina
Posts: 1
Joined: Sun May 28, 2017 6:48 pm

Re: D11 at wrong dilution

Post by Miroinchina »

Now, I am using D67+D19 for reversal processing on Ilford FP4+ film, the results are pretty good.
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John_In_Phoenix
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Joined: Sun Dec 31, 2017 9:51 am
Location: Phoenix, Arizona

Re: D11 at wrong dilution

Post by John_In_Phoenix »

I have tried D11 without much success. A fellow by the name of Jens Osbahr published a paper back in 2007 titled "A Black And White Reversal Process-In Memory Of Scala" which I have been using successfully for a number of years. Ive processed quite a number of film types from the original Scala (I have a frozen stash) to Eastman 5222 (5222 is not the best candidate for reversal) You can adjust the formula to suit your film and processing technique. When ADOX introduced its version of Scala I did a comparison and developed the new and old Scala in the same tank (see below). The film was processed using the process described for Scala in Mr. Osbahr in his paper. You can find it here http://www.ars-imago.com/productinfos/o ... _films.pdf
ADOX Agfa Comparison 1.jpg
ADOX Agfa Comparison 1.jpg (174.65 KiB) Viewed 12175 times
birdreader
Posts: 3
Joined: Sun Jan 26, 2020 7:31 pm

Re: D11 at wrong dilution

Post by birdreader »

There are quite a few reversal formulas around. Have you tried Dignan's Divided first developer for b/w transparencies??
Another set of formulas is:
https://www.ilfordphoto.com/reversal-processing/

The Ilford reversal chemistry works fine. there are formulas for the developers mentioned. And you can buy potassium permanganate from any plumbing supply outlet, it is used to regenerate "green sand" filters used to remove iron from potable water.
Potassium dichromate is very poisonous, and every sewer utility I have interacted with will go thermonuclear ballistic X100 at the mention of any chromates-outright ban on them. You can get a fatal leukemia if you accidentally ingest even tiny amounts of potassium dichromate.
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John_In_Phoenix
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Joined: Sun Dec 31, 2017 9:51 am
Location: Phoenix, Arizona

Re: D11 at wrong dilution

Post by John_In_Phoenix »

This is an update to my previous post. I now love D-11 1:3 with Fomapan R-100 in my Jobo CPE 2 (75rpm) for 11:45 @20c. Nice contrast and density. I use it with the DW 1 bleach and DW 2 clearing bath. I have been using a reversal developer consisting of 220ml water + 40ml Rodinal + 80mg of Stannous Chloride.
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John_In_Phoenix
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Joined: Sun Dec 31, 2017 9:51 am
Location: Phoenix, Arizona

Re: D11 at wrong dilution

Post by John_In_Phoenix »

As described above
As described above
1A53B11C-4E16-4D8A-A781-50A593A9D184.jpeg (178.37 KiB) Viewed 1906 times
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John_In_Phoenix
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Joined: Sun Dec 31, 2017 9:51 am
Location: Phoenix, Arizona

Re: D11 at wrong dilution

Post by John_In_Phoenix »

Here is the Jobo process for Fomapan R-100

Anchell’s D-11 Reversal Process
D-11 1st Dev. 1:3 for 11:45Min. @20C
Wash 4x@30 Sec.
DW-1 Bleach 5 Min.
Wash 2x@30 Sec.
DW-2 Clearing Bath 3 Min.
Wash 4x@30 Sec. .
Reversal 2nd Dev 8 Min.
Stop 1 Min.
Wash 2x@30 Sec.
Fix ATF-1 5 Min.
Wash 2x@30 Sec.
HCA 1/2 strength 2 Min.
Wash 8x@2 Min.
Adostab 1.5 Min.
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