Chemical Composition
Major Ions and Minerals
•Calcium (Ca): chalk, gypsum
•Magnesium (Mg): epsom salt
•Bicarbonate (HC03): chalk, baking soda
•Sulphate (SO4 ): gypsum, epsom salt
•Sodium (Na): baking soda, canning salt
•Chloride (Cl): calcium chloride, canning salt