I don't think this is correct. Ilfosol and HC-110 are completely different formulas.
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I don't think this is correct. Ilfosol and HC-110 are completely different formulas.
Here's what's in Ilfosol 3:
Diethylenetriamine Pentaacetic Acid Na5
Hydroquinone
Sodium carbonate
Here's what's in HC-110
Hydroquinone
Diethylene glycol
2-aminoethanol
Diethanolamine
Pentetic acid
Ethylene glycol
Those lists are not the complete formulas either. They both contain a Phenidone derivative, and I believe Ilfosol also contains ascorbic acid. Sodium sulfite isn't listed here either. It is difficult to compare the formulations, and especially the working properties of proprietary formulas using MSDS information. The approximate formula for HC-110 is known (although Kodak has tinkered with it over time).
But I think it's clear they are two different developers.