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Instrument: Unisense pH microelectrode

 Unisense pH
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The Unisense pH microelectrode is a miniaturized conventional pH electrode. The instrument is designed for research applications. It is based on selective diffusion of protons through pH glass, and the determination of potentials between the internal electrolyte and an internal or external reference electrode. It has a range of tip sizes (10 um-1.1 mm), a measurement range of pH 2-10 (linear 4-9) and detection limit of 0.1 pH unit. See more on the manufacturer's website: