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Fig.1: Accurate pH Measurement in the Laboratory (Source: METTLER TOLEDO AG)
Electro Chemistry

Measuring Negative pH: Is It Really Possible?

Although the pH scale traditionally ranges from 0 to 14, highly concentrated acids can have negative pH values. Accurately measuring these extremes poses technical challenges for standard electrodes. This article explains how specialized sensors and modern methods enable reliable measurements in such chemical extremes.

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