Merck Phosphat-Test (o-Phosphat) Methode: photometrisch, PMB 0,0025-5,0 mg/l, PMB 0.0025 - 5.00 mg/l PO4-P 0.0077 - 15.3 mg/l PO4 0.0057 - 11.46 mg/l

Phosphat-Test (o-Phosphat) Methode: photometrisch, PMB 0,0025-5,0 mg/l, PMB 0.0025 - 5.00 mg/l PO₄-P 0.0077 - 15.3 mg/l PO₄ 0.0057 - 11.46 mg/l P₂O₅