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Piezoelectric effect- Rochelle Salt (Potassium Sodium Tartrate)

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How to make Rochelle Salt (Potassium Sodium Tartrate) Rochelle Salt (Potassium Sodium Tartrate) a crystalline solid having a large piezoelectric effect (electric charge induced on its surfaces by mechanical deformation due to pressure, twisting, or bending), making it useful in sensitive acoustical and vibrational devices. In 1824, Sir David Brewster demonstrated piezoelectric effects using Rochelle salts, which led to him […]

via How to make Rochelle Salt (Potassium Sodium Tartrate) — Danupon Drake’s Adventures in Chemistry