Ferrous sulphate crystals

Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: Polarised light micrograph of crystals of ferrous sulphate. Known also as Iron (II) sulphate, it is depicted by the formula: FeSO4, 7H2O. It may be obtained from the waste liquor resulting from pickling steel in sulphuric acid. Magnification: x25 at 6x7cm size. x45 at 4x5".

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Keywords: chemical, chemistry, compound, compounds, crystal, crystals, ferrous sulphate, iron (ii) sulphate, plm, polarised light micrograph

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