Fluoride ion selective electrode HI4010

fluoride ion selective electrode
fluoride ion selective electrode
fluoride ion selective electrode
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The HI4010 is a solid state, half-cell ion selective electrode (ISE) for the determination of fluoride (F-) in solution. The lanthanum fluoride crystal membrane produces a potential change due to the fluoride ion exchange between the membrane and the sample. The internal sensing elements are housed within a durable epoxy body. The HI4010 is ideal for a variety of applications in drinking water treatment, environmental monitoring, and plating baths. Solid state sensor Detection from 0.02 mg/L to saturated F- For use with HI5315 reference half-cell The HI4010 fluoride selective electrode is a potentiometric half-cell that housed within an epoxy body. The internal elements are isolated from the sample by a lanthanum fluoride crystal membrane. This solid-state sensor requires a separate reference electrode to complete the measurement system. Hanna’s solid-state half-cell ISEs are designed for use with the HI5315 reference half-cell. The reference half-cell features a cone style junction. The skirted cone geometry of the reference forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary. For the HI4010 to accurately measure total fluoride concentration, it is important that the pH and ionic strength of the standards and sample be adjusted to a constant value. The total ionic strength adjustment buffer (TISAB) ensures that the solution pH is between pH 5 and 8 and that the activity coefficient is constant.


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