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  2. Magnesium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Magnesium_hydroxide

    added by the dissolution of Ca(OH) 2: [7] Mg 2+ + Ca(OH) 2Mg(OH) 2 + Ca 2+ For seawater brines, precipitating agents other than Ca(OH) 2 can be utilized, each with their own nuances: Use of Ca(OH) 2 can yield CaSO 4 or CaCO 3, which reduces the final purity of Mg(OH) 2. NH 4 OH, can produce explosive nitrogen trichloride when the brine is ...

  3. Carbonatation - Wikipedia

    en.wikipedia.org/wiki/Carbonatation

    Carbonatation is a slow process that occurs in concrete where lime (CaO, or Ca(OH) 2 ) in the cement reacts with carbon dioxide (CO 2) from the air and forms calcium carbonate. The water in the pores of Portland cement concrete is normally alkaline with a pH in the range of 12.5 to 13.5.

  4. Calcium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Calcium_hydroxide

    Calcium hydroxide is modestly soluble in water, as seen for many dihydroxides. Its solubility increases from 0.66 g/L at 100 °C to 1.89 g/L at 0 °C. [8] Its solubility product K sp of 5.02 × 10 −6 at 25 °C, [1] its dissociation in water is large enough that its solutions are basic according to the following dissolution reaction:

  5. Alkali–carbonate reaction - Wikipedia

    en.wikipedia.org/wiki/Alkali–carbonate_reaction

    Both reactions share in common the continuous regeneration of the sodium hydroxide (NaOH) after the reaction of soluble sodium carbonate or sodium silicate with calcium hydroxide, Ca(OH) 2. However, impure dolomitic aggregates also often contain clay impurities, and small amounts of pyrite (FeS 2) and organic matter. The alkali-carbonate ...

  6. List of inorganic compounds - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_compounds

    Magnesium gluconate – Mg(HOCH 2 (CHOH) 4 CO 2) 2; Magnesium hydride – MgH 2; Dimagnesium phosphate – MgHPO 4; Magnesium hydroxide – Mg(OH) 2; Magnesium hypochlorite – Mg(OCl) 2; Magnesium iodide – MgI 2; Magnesium molybdate – MgMoO 4; Magnesium nitrate – Mg(NO 3) 2; Magnesium oxalate – MgC 2 O 4; Magnesium peroxide – MgO 2 ...

  7. Metal ions in aqueous solution - Wikipedia

    en.wikipedia.org/wiki/Metal_ions_in_aqueous_solution

    A metal ion in aqueous solution or aqua ion is a cation, dissolved in water, of chemical formula [M(H 2 O) n] z+.The solvation number, n, determined by a variety of experimental methods is 4 for Li + and Be 2+ and 6 for most elements in periods 3 and 4 of the periodic table.

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  9. Calcium carbonate - Wikipedia

    en.wikipedia.org/wiki/Calcium_carbonate

    CaO + H 2 O → Ca(OH) 2 Ca(OH) 2 + CO 2CaCO 3 + H 2 O. In a laboratory, calcium carbonate can easily be crystallized from calcium chloride (CaCl 2), by placing an aqueous solution of CaCl 2 in a desiccator alongside ammonium carbonate [NH 4] 2 CO 3. [10] In the desiccator, ammonium carbonate is exposed to air and decomposes into ammonia ...

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