Stock Solution A
Sodium Sulphite 3 g
Glycin 2 g
Pyrocatechin 10 g
Phenidone 0.2 g
Sodium Metabisulphite 5 g
Water to 100 ml
Stock Solution B
Sodium Hydroxide 10 g
Distilled water...
Sodium Sulphite 3 g
Glycin 2 g
Pyrocatechin 10 g
Phenidone 0.2 g
Sodium Metabisulphite 5 g
Water to 100 ml
Stock Solution B
Sodium Hydroxide 10 g
Distilled water...
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