3/3/2024 0 Comments Рн. free instal![]() In addition to measuring the pH of liquids, specially designed electrodes are available to measure the pH of semi-solid substances, such as foods. The devices have been miniaturized, enabling direct measurement of pH inside of living cells. Īdvances in the instrumentation and in detection have expanded the number of applications in which pH measurements can be conducted. pH meters are used for soil measurements in agriculture, water quality for municipal water supplies, swimming pools, environmental remediation brewing of wine or beer manufacturing, healthcare and clinical applications such as blood chemistry and many other applications. Knowledge of pH is useful or critical in many situations, including chemical laboratory analyses. The rate and outcome of chemical reactions taking place in water often depends on the acidity of the water, and it is therefore useful to know the acidity of the water, typically measured by means of a pH meter. ![]() Testing of pH via pH meters ( pH-metry) is used in many applications ranging from laboratory experimentation to quality control. ![]() The difference in electrical potential relates to the acidity or pH of the solution. ![]() The pH meter measures the difference in electrical potential between a pH electrode and a reference electrode, and so the pH meter is sometimes referred to as a "potentiometric pH meter". Instrument that indicates acidity or alkalinity in water-based solutions, expressed as pH Beckman Model M pH Meter, 1937 Beckman model 72 pH meter, 1960 781 pH/Ion Meter pH meter by MetrohmĪ pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH. ![]()
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