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Magnesium silicide

If an excess of magnesium is used, magnesium silicide, Mg2Si, is also produced.) The silicon obtained is a light brown hygroscopic powder. Crystalline or metallic silicon is obtained industrially by the reduction of silica with carbon in an electric arc furnace ... [Pg.166]

The disagreement found for the compounds magnesium silicide and magnesium stannide may be explained as the result of the deformation of the anions (mole refraction of Si 4, 950 of Sn 4, 228) or, on the other hand, the crystals may not have the ionic structure assumed. [Pg.269]

Mayes, R. B. et al., School Set. Rev., 1975, 56(197), 819-820 When the residue from combustion of magnesium in air was removed from the porcelain crucible, a grey stain remained. Addition of cold cone, nitric acid to remove the stain led to a violent reaction. This was found to be caused by the presence of magnesium silicide in the stain. [Pg.1589]

Magnesium silicate smectite clay, 22 475 Magnesium silicide, 75 364 Magnesium statistics, U.S. historical, 75 324 Magnesium stearate... [Pg.543]

Silicon hydrides can be prepared by several methods. A few methods are outlined below. Silane and its higher homologs can be made by treating magnesium silicide, Mg2Si with 20% hydrochloric acid in an atmosphere of hydrogen. An equation for monosilane is given below ... [Pg.827]

Another preparative method involves treating magnesium silicide with ammonium bromide in liquid ammonia in a current of hydrogen. The process forms 70 to 80% yield of mono- and disilanes. The reaction is shown below ... [Pg.827]

Zinc, lithium, and aluminum silicides also may be used instead of magnesium silicide in the above preparations. [Pg.827]

Magnesium Silicide. [CAS 2283l-39-6. Mg Si. bluish crystals, nip IOB5aC. d 1.9. decomposes on heating above 500 C. also by water and hydrochloric acid, funned by heating magnesium powder with silicon in ratio of 20 6. Uses Semiconductor technology, and electrical equipment. [Pg.953]

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