Magnesium Trisilicate

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2MgO·3SiO₂·xH₂O (anhydrous) 260.86
Silicic acid (H₄Si₃O₈), magnesium salt (1:2), hydrate;
Magnesium silicate hydrate (Mg₂Si₃O₈·xH₂O)
[39365-87-2] Anhydrous [14987-04-3]

DEFINITION

Magnesium Trisilicate is a compound of Magnesium Oxide and silicon dioxide with varying proportions of water. It contains NLT 20.0% of magnesium oxide (MgO) and NLT 45.0% of silicon dioxide (SiO₂).

USP REFERENCE STANDARDS FOR PURCHASE

USP Magnesium Oxide RS
USP Potassium Carbonate RS

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