Magnesium sulfate heptahydrate, tseem hu ua sulphobitter, iab ntsev, cathartic ntsev, Epsom ntsev, tshuaj formula MgSO4·7H2O), yog dawb los yog tsis muaj xim acicular los yog oblique columnar crystals, tsw, txias thiab iab me ntsis.Tom qab cua sov decomposition, cov crystalline dej yog maj mam tshem tawm ...
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