SEM of kettle limescale

SEM of kettle limescale

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Caption: Kettle limescale. Scanning electron micrograph (SEM) of fur or limescale (calcium carbonate and calcium sulphate crystals) from a domestic kettle. The fur is the result of repeated use of the kettle in a hard water area. Water hardness is a qualitative measure of dissolved calcium salts. When this water is boiled or evaporated the calcium salts precipitate to form crystals. Magnification: x860 when printed 10cm high.

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Keywords: calcium carbonate, calcium sulphate, chemical, chemistry, coloured, compound, compounds, crystal, crystals, hard water, home, images, kettle fur, limescale, magnified image, microscopic photos, pollutant, pollution, scanning electron micrograph, scanning electron microscope, sem, subjects

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