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6. Capillary depression
Due to capillary effects, the position of the meniscus in the manometer tube is lower than it would be for a very large-diameter tube. This effect is particularly noticeable with small-diameter tubes. Capillary depression can of course be calculated at
In the case of a U-tube barometer, in principle...
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Characterization and properties of matter
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Capillary depression
References
Organizations
Bureau de Recherches Géologiques et Minières - Service géologique national.
Institut National de Métrologie (INM)
Bureau International des Poids et Mesures (BIPM)
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