...liquid concentrates the Carbonate is partially substituted by Sodium or Potassium Hydroxide, this helps solubility and cuts production costs.
ID-62 has been copied by other manufacturers, Forte FD-203 is the same formula but with no Benzotriazole. Using Potassium Carbonate instead of Sodium...
ID-62 is the Formula Tom's referring to. It's the PQ variant of ID-20 a Standard MQ Print developer.
Ilford ID-62
For Bromide Paper.
Stock Solution
Warm water (125° F or 52 °C) ----------- 750.0 ml
Sodium Sulphite, anhyd ----------------- 50.0 gm
Hydroquinone---------------------------- 12.0...
...is used in combination with hydroquinone will be useful to those workers who wish to compound their own developers".
These developers were:
ID-62 - a PQ variant of ID-20
A very similar developer for Contact prints - (identical except the Potassium Bromide is cut to 0.25g/litre)
ID-67 -...
And the winner is.....
I have been intentionally abusing ID-62 plus extra sulfite for a month now. I've left it out in the trays for several days many times, just adding water to make up for evaporation. I'm just running tests, so this isn't what I would do for "real" work. Oh, and the...
Have you been covering the trays with plastic wrap or otherwise protecting the developer between uses? If not, then that's truly impressive. I'd been under the impression that typical developers go bad in a few hours in open trays.
Then too, my own experience with DS-14 is in open trays. I...
...D-Viagra. Available at B&H and Freestyle. If your developer stays potent for more than 12 months, cease usage.
Back to earth, I have some ID-62 (plus lots more sulfite) PQ developer at 1:1 for paper that I've been seeing how far I can abuse it. It's been sitting in an open tray for 5...
Daniel
That is quite an amazing transformation from the original. I have recently adopted the use of a neg scan to see if i can take a print that little bit further. I have to admit though that I have never moved as far away from the original as you have here, though, knowing your skills in...
...changes that I might not consider otherwise.
Negative: Fuji Acros developed in Pyrocat HD
Paper: Ilford Galerie Grade 3 developed in ID-62
For this print, I've flipped the image vertically and cropped from the square to remove extraneous elements.
The image was printed down quite...
...are two formulae listed in the Patent and one, the standard type developer used for comparison, is essentially a re-working of the earlier ID-62 formula. ID-78 is the warm tone variant of ID-62 with increased bromide and no Benzotriazole.
Where ID-62 uses 60gms Sodiun Carbonate, the...
Yes that's right in one respect, but that's because of the addition of Benzotriazole to control the tones.
A typical example is Ilford ID-20, ID-62 & ID-78
All have
Hydroquinone 12g
Sodium Sulphite 50g
Potassium Carbonate 60g (ID-78 62g)
plus
ID-20
Metol 3g
Potassium Bromide 2g
ID-62...
...I let a piece of Arista.edu Ultra (Foma Variant III MG) semi-matte paper get exposed. After "awhile" I put it in the developer, ID-62 1:1, the light still on, for some more "while," at least several minutes. Fixed and dried.
Today, in bright Florida sunlight registering EV 16.25-ish @...
...of long ago and your memory or a hell of a deal. It runs $30 a pound, generally, nowadays.
As a tangent, I've just mixed up some Ilford ID-62 as a phenidone replacement for Dektol/D-72. I'm thinking it's in the line of Ethol LPD which has a great reputation for, um, Lasting. I doubled...
I believe that the ID-78 formula was posted on APUG by Ian Grant. I use ID-78 and I like it a lot.
I believe Ian has written that the amount of KBr (potassium bromide) can be varied over a wide range for tonal adjustment. Tone Adjustment can also be done by changing the dilution.
To mix it I...
After doing extensive tests with different developers and dilutions on foma 532 paper, I found Neutol WA to be the best for my purposes (deep blacks with strong bright highlights). Then, in my ignorance, I found out that the Agfa Neutol WA was no longer with us. R.I.P:(
My question is: How...
Got this curtain in a box of stuff and would like to eventually find it a new home. But, I need to ID it first. Any help would be greatly appreciated. Thank you.
Curtain dimensions are as follows . . .
6' long by 5-3/4" wide.
Starting from left side there's an adhesive mark at 14"
then...
...(Try a Google search for Deltol & Benzotriazole)
PQ devs are slight warmer than their equivalent MQ dev unless you add Benzotriazole, Ilford ID-62 PQ is excatly the same as Ilford ID-20 MQ except the first uses 0.5g Phenidone instead of 3g Metol, and has Benzotriazole in addition to the...
Ian Grant submitted a new resource:
(there was a url link here which no longer exists) - Cool tones, Warm tones Neutral tones
(there was a url link here which no longer exists)
...of tones. I have also included a soft working developer and a contrast developer to give a full range of option.
Higher quality image
ID-62 PQ Universal Developer, gives neutral tones.
ID-78 PQ Warm-tone Developer, similar to Neutol WA
ID-3 Metol Soft working, similar results to...
...variety of tones. I have also included a soft working developer and a contrast developer to give a full range of option.
Higher quality image
ID-62 PQ Universal Developer, gives netral tones.
ID-78 PQ Warm-tone Developer, similar to Neutol WA
ID-3 Metol Soft working, similar results to...
...Suprol is fairly similar, effectively equivalent, to Ifords PQ Universal and so would give you pointers for adjusting and using a developer like ID-62, or even ID-72
My copy of the datasheet is in storage but if you can't find a copy I'll try and dig it out next time I'm in the UK.
Ian
...types:
ID-2 MQ ID 67 PQ Universal film & paper developers
ID-3 M only Soft working developer for films or papers
ID-20 MQ ID-62 PQ Film & Paper developer (fine grain if used quite dilute).
ID-11 MQ ID-68 PQ (Microphen) Fine grain film developers
ID-19 MQ ID-72 PQ Clean...
Microphen is a PQ DEVELOPER - Phenidone/Hydroqinone Ilford developer - it is very similar to Ilford ID-62.
kODAK DK-50 is an MQ Developer (Metol/Hydroquinone developer) not similar to Microphen.
It would be more correct to say that Acufine is a PQ developer that is related to Microphen...
ID-62 and ID-78 are slight variants of the original formula - ID-20
ID-62 is the Phenidone variant but due to the addition of Benzotriazole gives cold tones on warm tone papers. It is both a print & general purpose negative developer.
ID-78 again uses Phenidone which produces slightly...
...declined in popularity with the rise of 35mm photography. These developers will usually give too much grain with such a small format. They can be used for MFand LF photography.
Examples, are Kodak D-72 and Ilford ID-62 (Bromophen). Typically, they are diluted 1+2 for papers and 1+9 for...
...Concentrated Liquid Developer (there was a url link here which no longer exists)
By Gerald Koch - 09:32 PM, 06-06-2006 Edit Rating: None
ID-62 is a Phenidone version of ID-20. Ilford markets a developer very similar to ID-62 as Bromophen. The main difference being the addition of a calcium...
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