Vial | Cap | Content | Composition |
---|---|---|---|
1 PHO2B R1 | white | 4 vials, 50 tests each | Reagent 1 (R1): Sulfuric acid, 0.36 mol/L; non-reactive surfactant. |
2 PHO2B SR | black | 4 vials, 50 tests each | Start Reagent (SR): Ammonium molybdate, 3.5 mmol/L; sulfuric acid, 0.36 mol/L; sodium chloride, 150 mmol/L. |