ATO fluoride ion selective electrodes (ISEs) are specialized sensors designed to measure the concentration of fluoride ions in a solution. Their selective sensitivity to fluoride ions makes them valuable tools for accurate and rapid ion concentration measurements.
Specification
| Model | ATO-PF-2-01 | ATO-PF-202-C |
| Electrode Type | Single Electrode | Composite Electrode |
| Ion | Fluoride Ion (F–) | Fluoride Ion (F–) |
| Standard Solution | NaF Solution | NaF Solution |
| Measuring Range | 1 x 10-6~10-1mol/L | 1 x 10-5~10-1mol/L |
| 19ug/L~1.9g/L | 190ug/L~1.9g/L | |
| Ionic Strength Adjuster (Powder) | Small Amount of NaCl | Small Amount of NaCl |
| Sensitive Film Material | Crystal Film | Crystal Film |
| Shell Material | Polycarbonate | Polycarbonate |
| Working Temperature | 5℃~45℃ | 5℃~45℃ |
| Interface | BNC (Q9) | BNC (Q9) |
| Reference Solution | / | 3 mol/L KCl |
| Reference Structure | / | Ag/ AgCl |
| Working pH | 4~8 | 4~8 |
| Dimension | φ12*120mm | φ12*120mm |
| Recommend Reference Electrode | ATO-232-01 | / |
Dimension
Application
Tips: Fluoride ion selective electrode working principle
The fluoride ion-selective electrode (ISE) operates based on the Nernst equation, which describes the relationship between the concentration of an ion in solution and the voltage across the electrode. The ISE consists of a solid-state membrane selective to fluoride ions, typically made of lanthanum fluoride crystals. When immersed in a sample solution, the fluoride ions in the sample interact with the membrane, generating a potential difference. This potential is measured against a reference electrode, and the Nernst equation is applied to determine the fluoride ion concentration. The electrode’s selectivity is crucial, ensuring minimal interference from other ions. The fluoride ISE finds applications in water quality monitoring, particularly in assessing fluoride levels for public health and environmental purposes.
