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The refill pack for the VISOCOLOR School reagent case contains all reagents of all parameters. All reagents are approved to be used in schools in Germany (GUV‑SR 2004 directive).
| Brand | VISOCOLOR |
| Parameter | Ammonium, Nitrate, Nitrite, pH, Phosphate (ortho), Total hardness |
| Parameter 1 | Ammonium - 0 • 0.2 • 0.5 • 1 • 3 mg/L NH₄⁺ / 50 tests / Refill REF 933200, VISOCOLOR School Ammonium |
| Parameter 2 | Total hardness - 1 drop corresponds to 1.25 °e / 50 tests / Refill REF 933200, VISOCOLOR School Total hardness |
| Parameter 3 | Nitrate - 0 • 1 • 5 • 10 • 20 • 50 • 90 mg/L NO₃⁻ / 50 tests / Refill REF 933200, VISOCOLOR School Nitrate |
| Parameter 4 | Nitrite - 0 • 0.02 • 0.05 • 0.1 • 0.2 • 0.5 mg/L NO₂⁻ / 50 tests / Refill REF 933200, VISOCOLOR School Nitrite |
| Parameter 5 | pH - 4.0 • 5.0 • 6.0 • 7.0 • 8.0 • 9.0 / 50 tests / Refill REF 933200, VISOCOLOR School pH 4.0–9.0 |
| Parameter 6 | Phosphate - 0 • 0.5 • 1.5 • 3 • 6 • 15 mg/L PO₄³⁻ / 50 tests / Refill REF 933200, VISOCOLOR School Phosphate |
| Photometer included | No |
| Shelf life (from production) | 1.5 Years |
| Storage temperature | 18−25 °C |
| Scope of delivery | Reagents, spoon |
| Hazardous material | Yes |
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