The FMS-4 offers reliable and continuous monitoring of fluoride content in industrial process water, rinse water, and wastewater. Using a highly precise ion-selective electrode (ISE), the device measures fluoride concentration in real-time, ensuring that any deviation is immediately detected. Thanks to automatic calibration, measurement accuracy is permanently maintained, while automatic cleaning prevents deposits and significantly reduces maintenance efforts. Particularly in industrial areas where water quality plays a crucial role, such as semiconductor manufacturing, chemical industry, or metal processing, the system represents an efficient solution.
With the FMS-4, fluoride analysis is significantly easier and more efficient than with conventional methods. While the classical determination of total fluoride concentration through distillation is not only time-consuming but also must be carried out by specialized professionals, this system offers direct and continuous measurement. As a result, companies save not only valuable time but also high personnel costs while avoiding potential measurement errors that can occur with manual procedures. In areas such as water treatment, food production, or environmental monitoring, operators benefit from continuous control of fluoride levels that remains ensured around the clock.
To achieve the most accurate measurement results, the FMS-4 mixes the sample stream with a specially developed buffer solution (TISAB - Total Ionic Strength Adjustment Buffer). This solution stabilizes the chemical conditions and allows not only the determination of fluoride ion content but also the detection of a portion of non-ionized fluorine. Especially in wastewater treatment plants, power plants, and industrial production processes, this technology proves essential as it ensures compliance with both legal regulations and internal quality standards. The FMS-4 thus not only provides highly precise values but also contributes to the optimization of production processes and sustainable resource utilization.
In **ion-selective electrode measurement**, the addition of **TISAB (Total Ionic Strength Adjustment Buffer)** plays a crucial role. By adding this special buffer solution, the **measurement accuracy** improves significantly. TISAB performs two essential tasks that ensure precise and reliable measurement results.
A stable **pH value** is crucial for the accuracy of the **ion-selective electrode (ISE)**. Without appropriate buffering, a pH value below **4** or above **8** significantly affects the measurement results. The **TISAB** maintains the **pH value constant at 5**, thereby avoiding **interferences and inaccuracies**.
In addition to pH stabilization, **TISAB** ensures that **fluoride ions** are not affected by metal ions or complex bonds. In many samples, accompanying substances can reduce the proportion of **free fluoride ions**. The addition of the buffer solution achieves **efficient separation**, so that the measurement result accurately reflects the actual **fluoride content** in the water.
The targeted **sample treatment with TISAB** leads to a measurement that represents the **total fluoride content** of the sample as accurately as possible. Depending on the **sample matrix**, a TISAB solution may be required that combines both functions, or a variant that exclusively performs **pH stabilization**. The **automatic fluoride analyzer FMS-4** uses this technique to provide particularly **accurate and reproducible measurement results**.
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