Metol

Metolquinone
Is a combination of metol and hydroquinone, used as a developing agent (MQ developer).
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Why do Metol- Hydroquinone Developers Solarize Relatively Poorly? -
It is well known that developers containing both metol and hydroquinone are much faster- acting than developers containing either developing agent alone.

Metol is a reducing agent which is soft working, especially in the presence of a weak alkali.
Metolquinone is a combination of metol and hydroquinone, used as a developing agent (MQ developer).

Hydroquinone, Metol, paraphenylenediamine, and phenidone are some of the more commonly used developing agents. PRESERVATIVE All developing agents in an alkaline state are affected by oxygen.

In color reversal processing the film is developed in an MQ (metol/hydroquinone) developer similar to a black-and-white developer, followed by a rinse or a stop bath. The film is fogged in the reversal step, and is then developed in a color developer.

Pyro is highly toxic, and my skin is sensitive to the Metol in the formulation. Besides, I dislike having to wear protective gloves when doing tray development. They tend to reduce my tactile ability.

Common reducers are hydroquinone, metol, and phenidone. AcceleratorThe accelerator is added to the reducing agent to speed development. It also increases contrast.

4 photoflood (about 1/30 @ 5.6), developed in Pyro/PFdiamlene/Metol/ss developer and enlarged to 16x20 in a diffusion enlarger produce Extalure prints that were essentially grainless while presenting a full tonal range (this was 35mm, remember) ...

750cc of water at about 50 C add , in the following order, a little of the Sodium Sulphite, to stop the Metol oxidising when you mix it, then gradually add the Metol , stirring until it is all dissolved.

-Elon - another term for Methylaminophenol sulfate. It is more commonly known as metol.
-Emulsion - light sensitive material which consists of a suspension of silver halides in gelatin.

Developing agents. Chemicals (typically phenidone, metol and hydroquinone) able to change light-struck silver halides into black metallic silver.

See also: Developer, Hydroquinon, Image, Hydroquinone, Silver