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i hope leica buys ilford!


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David<p>

<i>As far as I know, this is true for everything except Metol/Elon and Hydroquinone. These are proprietary chemicals, and are only manufactured by Kodak and Ilford (If I'm wrong, please let me know what common substitutes are available).</i>

<p>

Metol and Elon along with a bunch of names <i>(LIon, Genol, Graphol, Photo-Rex, Pictol, Planetol, Rhodol, Satrapol, Scalol, Verol, Viterol)</i> are trade names for reagents characterised by the following compounds:

<p>

Monomethyl-p-aminophenol sulfate<br>

ji-hydroxymethylaniline sulfate<br>

4-methylaminophenol sulfate

<p>

These are not specific to EK or Ilford. Hydroquinone can also be found as:

<p>

Hydrochinon<br>

Hydrokinone<br>

Hydroquinol<br>

Quinol<br>

p-dihydroxybenzene<br>

1,4-dihydroxybenzene<br>

1,4-benzenediol<br>

Tecquinol

<p>

Another often used reagent is Phenidone or Graphidone to represent the compound l-Phenyl-3-pyrazolidinone. This is used in developers such as approximations of Xtol stock solution.

<p>

750ml distilled water<br>

60gm Sodium Sulfite<br>

4gm Sodium Metaborate<br>

13gm Sodium Ascorbate<br>

0.15gm Phenidone<br>

3gm Sodium Metabisulfate<br>

add distilled water to make 1 ltr

<p>

regards<br>

Craig / Beijing

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