Merck Phosphat-Test (o-Phosphat) Methode: photometrisch, Spectroquant , PMB 1.0 - 100.0 mg/l PO4-P 3 - 307 mg/l PO4³− 2 - 229 mg/l P2O5, 100 Tests

Phosphat-Test (o-Phosphat) Methode: photometrisch, Spectroquant®, PMB 1.0 - 100.0 mg/l PO₄-P 3 - 307 mg/l PO₄³⁻ 2 - 229 mg/l P₂O₅