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Browsing by Author "ศิริวาลย์, นุจรินทร์"

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Browsing by Author "ศิริวาลย์, นุจรินทร์"

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  • ศิริวาลย์, นุจรินทร์ (2011-04-07)
    Gypsum is a substance derived from nature and some synthesis. Its structure consists of calcium ion (Ca2+), sulphate ion (SO4 2-) and molecules of H2O. Its formula is CaSO4.2H2O. From this structure, gypsum is used in ...

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