It has five to ten times the developing power as Metol.
Glycin is related to 4-aminophenol and Metol.
In its dry form, it also has limited shelf life compared to Metol and Phenidone.
Compared to Metol, glycin has a carboxyl group attached to the methyl group of the Metol.
Compared to Metol, glycin has a carboxyl group attached to the methyl group of the Metol.
Examples of Agent 1 include : Phenidone, Dimezone S, Metol, p-aminophenol, glycin, Eikonogen.
Metol is difficult to dissolve in solutions of high salt content and instructions for mixing developer formulae therefore almost always list metol first.
Metol is difficult to dissolve in solutions of high salt content and instructions for mixing developer formulae therefore almost always list metol first.
Hydroquinone is superadditive with metol, meaning that it acts to " recharge " the metol after it has been oxidised in the process of reducing silver in the emulsion.
Hydroquinone is superadditive with metol, meaning that it acts to " recharge " the metol after it has been oxidised in the process of reducing silver in the emulsion.