P |
Phosphotungstic Acid 1% Solution |
Picric Acid 1.2% Aqueous Solution |
Picric Acid 2.1% Saturated Aqueous Solution |
Ponceau S 0.1% in 30% Sulfosalicylic Acid |
Potassium Hydroxide 0.2% in 80% Ethanol |
Potassium Hydroxide 10% Solution |
Potassium Metabisulphate 2% |
Potassium Metabisulphite 2% Aqueous |