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new cyantoye formula
mixed my own for the new cyanotype process for the first time. works perfectly. i was a little nervous, but had no trouble at all and the mixture is better than i expected. slight blue tint to the formula, so might not be 99.9%, works dang well.
The Photographers' Formulary Potassium Ferricyanide Principal use is in conjunction with hypo, forming Farmer's Reducer. Used in iron printing processes and as a bleach before sulfide toning and dye toning formulas.
Note
Keep protected from light.