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Dipyridyl paper allows the sensitive and specific detection of Fe(II) ions. Even small amounts of Fe(II) can safely be detected in presence of large amounts of Fe(III).
| Platform | Qualitative test paper |
| Parameter | Iron |
| Detection limit | Iron - 2 mg/L Fe²⁺ |
| Color change | Iron - white → red |
| Length | 70 mm |
| Width | 20 mm |
| Shelf life (from production) | 2 Years |
| Storage temperature | 4−30 °C |
| Scope of delivery | 200 test strips in a plastic box |
| Hazardous material | No |
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