释义 |
mercuric oxide
mercuric oxide n (Elements & Compounds) a soluble poisonous substance existing in red and yellow powdered forms: used as pigments. Formula: HgO. Systematic name: mercury(II) oxide mercuric oxide
mercuric oxide[mər′kyu̇r·ik ′äk‚sīd] (inorganic chemistry) HgO A compound of mercury that exists in two forms, red mercuric oxide and yellow mercuric oxide; the red form decomposes upon heating, is insoluble in water, and is used in pigments and paints, and in ceramics; the yellow form is insoluble in water, decomposes upon heating, and is used in medicine. Also known as mercury oxide; red precipitate; yellow precipitate. MedicalSeemercuric |