RAF Pyro-Metol

RAF Pyro-Metol

  1. David A. Goldfarb
    part A

    metol 3.9 g
    potassium metabisulfite 4.4 g (or substitute 5.1 g sodium metabisulfite)
    pyrogallol 4.4 g
    potassium bromide 1.6 g
    water to make 1 liter

    part B

    sodium carbonate (crystal) 108 g
    water to make 1 liter

    Mix one part...
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