The iodide ion selective electrode is a reliable tool for accurately measuring iodide ion concentrations in a wide range of solutions, with a broad pH range (0-12) and temperature tolerance (0°C to 80°C). Its durable epoxy resin casing, salt membrane sensitivity, and BNC (Q9 Type) connector ensure long-lasting performance and easy integration with standard meters. The electrode uses KI solution for calibration and KNO₃ powder for ion strength adjustment, making it ideal for both field and laboratory use with dimensions of Φ12×120 mm.
Designs Features of Iodide Ion Electrode
- Broad pH Range (0-12): The electrode operates effectively across a wide pH range of 0 to 12, making it suitable for various types of solutions and applications.
- Temperature Range (0°C to 80°C): This electrode ensures stable performance in both low and high-temperature environments.
- BNC (Q9 Type) Connector: Ensures compatibility with standard ion meters for easy integration into your setup.
Material and Structure of Iodide ISE
- Durable Epoxy Resin Casing: Provides enhanced strength and wear resistance of the iodide ion electrode, ensuring long-lasting performance.
- Salt Membrane Sensitivity: Equipped with a salt membrane, the electrode delivers enhanced sensitivity and accurate ion detection for reliable iodide ion concentration measurements.
Application
The ion selective electrode is a versatile tool widely used for monitoring and analyzing water quality across various applications. It is particularly effective in testing drinking water, domestic water, pool water, and industrial water, ensuring compliance with safety and regulatory standards. Its high sensitivity to specific ions makes it ideal for detecting trace contaminants in these water sources. Additionally, the electrode can be used for analyzing surface water and groundwater, providing critical data for environmental monitoring and pollution control. Whether for routine quality checks or environmental research, the ion selective electrode offers reliable, precise measurements to help maintain safe and clean water across different settings.
Domestic Water
Pool Water
Industrial Water
Drinking Water
| Model | SISCO-ISE-972104 |
| Type | Iodide ion composite electrode |
| Measurement Range | 1.0×10⁻⁷~1.0mol/L |
| Mass Concentration | 0.01~127000ppm |
| pH Range | 0~12 |
| Operating Temperature | 0~80℃ |
| Repeatability | ±2% |
| Liquid Junction | Separable ring ground joint |
| Reference Structure | ClickOK reference system |
| Reference Solution | ISE reference filling solution type D |
| Standard Solution | KI solution |
| Ion Strength Adjuster (Powder) | Small amount of KNO₃ powder |
| High-end Ion Strength Regulator | Ion strength regulator type Ⅰ |
| Housing Material | Epoxy resin |
| Sensitive Membrane Material | Salt membrane |
| Dimensions | Φ12×120 mm |
| Connector | BNC (Q9 Type) |
Q1: What is an ion selective electrode (ISE)?
A1: An ion-selective electrode (ISE) is a type of sensor designed to measure the concentration of specific ions in a solution. It is used in various fields, such as environmental monitoring, clinical diagnostics, and industrial applications, for real-time ion concentration measurements. ISEs are highly valued for their simplicity, accuracy, and ability to provide precise data without the need for complex sample preparation. These electrodes offer a quick and reliable way to monitor ion levels in a variety of solutions.
Q2: How does an ISE work?
A2: An ion-selective electrode (ISE) works by utilizing a membrane that selectively interacts with a specific ion in a solution. The electrode generates an electrical potential when the ion of interest interacts with the membrane. This potential is directly related to the concentration of the ion in the solution. The ISE typically consists of a reference electrode and an ion-selective membrane, which allows the target ion to pass through or interact with it, while minimizing the influence of other ions. The measured potential is then used, along with the Nernst equation, to calculate the ion concentration in the solution. This enables accurate and real-time measurement of ion levels.
Q3: What types of ions can an ISE measure?
A3: An ion-selective electrode (ISE) can measure a wide range of ions, depending on the type of membrane it uses. Commonly measured ions include sodium (Na⁺), potassium (K⁺), calcium (Ca²⁺), chloride (Cl⁻), ammonium (NH₄⁺), nitrate (NO₃⁻), and hydrogen ions (H⁺), among others. Each ISE is designed to selectively respond to a particular ion or group of ions, allowing precise measurements in different applications. For example, a sodium ISE can be used in clinical diagnostics to monitor blood sodium levels, while a chloride ISE may be used in environmental monitoring to assess water quality. The ability to measure specific ions makes ISEs highly versatile tools in fields like chemistry, biology, medicine, and environmental science.
Tips: How does temperature affect ISE readings?
Temperature can significantly affect the readings of an Ion Selective Electrode (ISE) due to its impact on the ion activity and the electrode's electrical properties. As temperature increases, the movement of ions in the solution becomes more dynamic, which can alter the potential difference measured by the electrode. Typically, the ion response of ISEs becomes more sensitive at higher temperatures, which may lead to higher or lower readings depending on the specific ion being measured. Additionally, the electrode’s internal reference and membrane can experience changes in conductivity, leading to drift or fluctuations in the output signal. To ensure accurate measurements, most ISEs require temperature compensation to account for these variations, either through built-in temperature sensors or manual adjustments. Without proper temperature control, ISE readings may not reflect the true ion concentration in the solution, especially in cases where the temperature deviates significantly from the standard calibration conditions.
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