: Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).
: M 0855 (OTTO) Magnesium oxide, 99.95% Cas 1309-48-4 - used for enrichment method of polycyclic aromatic hydrocarbons. M 0855 (OTTO) Magnesium oxide, 99.95% Cas 1309-48-4 - used in groundwater studies.