Vial | Cap | Content | Composition |
---|---|---|---|
1 FE2B R1 | white | 2 vials, 50 tests each | Reagent 1 (R1): Citric acid, 200 mmol/L, thiourea, 115 mmol/L; non-reactive surfactant. |
2 FE2B SR | black | 2 vials, 50 tests each | Start Reagent (SR): Sodium ascorbate, 150 mmol/L; FerroZine, 6 mmol/L; preservative. |