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The pH analyzer uses sophisticated electrode technology to precisely measure the concentration of hydrogen ions in the solution, thereby precisely obtaining the pH value.The pH analyzer can be accurate to ± 0.01 pH units.
There are many types of glass electrodes and gel electrodes to choose from.Glass electrode is the most common one, which has the characteristics of selective response to hydrogen ion concentration and is suitable for pH measurement of solution.
The pH of a solution is affected by temperature, and pH analyzers are usually equipped with temperature compensation.It can measure the temperature of the solution through a built-in temperature sensor or an external temperature probe.
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The pH analyzer works mainly based on the electrochemical principle.Its core component is pH electrode, commonly known as glass electrode.The glass membrane of the glass electrode has a selective response to hydrogen ions. When the glass membrane is immersed in the solution to be measured, the hydrogen ions in the solution will be exchanged with the hydrogen ions in the hydration layer of the glass membrane.
When the concentration of hydrogen ions inside and outside the membrane is different, there will be a transmembrane potential difference, which conforms to the Nernst equation, that is, there is a logarithmic relationship between the potential difference and the concentration of hydrogen ions in the solution (that is, pH value).
The pH analyzer measures this potential difference and uses built-in circuitry and algorithms to convert it to the corresponding pH value and display it.
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PH analyzers are important in power plants.It precisely measures the pH value of circulating water, boiler water, etc. To ensure that the water quality meets the operation requirements of power generation equipment and prevent equipment corrosion and scaling.In the chemical water treatment system of power plant, the change of pH value is monitored in real time, which provides the basis for adjusting the dosage and treatment process.
High-precision PH analyzers play an extremely important role in irrigation water quality. It precisely measures the pH value of irrigation water to ensure that its acidity and alkalinity are highly suitable for crop growth and avoid potential damage to crops caused by water quality problems. In the complex agricultural irrigation system, real-time monitoring of pH value changes can timely and effectively adjust the irrigation strategy to ensure a favorable environment for crops.
The pH analyzer is very important in the determination of soil pH.It precisely measures the pH value of soil, helps farmers and agricultural researchers to understand the acidity and alkalinity of soil, and provides a basis for rational selection of crop varieties and formulation of fertilization programs.Real-time monitoring of pH changes during soil improvement and land resource management.
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In the inspection of local enterprises, the environmental protection department of the city found that the pH value of wastewater discharged from some factories was not up to the standard, but the enterprises did not detect it in time.This makes the relevant departments re-emphasize the importance of pH analyzer in factory wastewater monitoring to ensure that wastewater discharge meets the standards and avoid environmental pollution.
With the increasing awareness of environmental protection and the growing demand for water environment improvement, water pH online analyzer plays an increasingly important role in water quality safety and water environment improvement.It can monitor the pH value of water quality in real time and accurately, and provide strong data support for the supervision of environmental protection departments.
In some developed agricultural areas, agricultural departments promote the use of pH analyzers to monitor the acidity and alkalinity of irrigation water.By precisely measuring the pH value, farmers can reasonably adjust the acidity and alkalinity of irrigation water according to the needs of soil and crops, and improve the yield and quality of crops.This application has helped improve the efficiency of agricultural production.
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