ILFORD MICROPHEN

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Microphen is a proprietary Ilford formula.

ILFORD ID 68 is very close to the commercially available formulae and is interchangeable in practice.


Ilford tried reformulating ID-11 with Phenidone instead of Metol, and published a number of variations of the formulae, culminating in the one below. Finally they completely re-balanced the formula as ILFORD ID 68.


Ilford PQ variant of ID-11

Water 52 C 750 ml

Sodium Sulfite, Anhydrous 100 gr

Hydroquinone 5 gr

Borax, Granular 3 gr

Boric Acid, Granular 3.5 gr

Potassium Bromide 1 gr

Phenidone 0.2 gr

Cold Water to make 1 L

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