American Heritage® Dictionary of the English Language, Fourth Edition
- n. A salt of tungstic acid.
Century Dictionary and Cyclopedia
- n. A salt of tungstic acid: as, tungstate of lime.
- n. chemistry Any salt of tungstic acid.
GNU Webster's 1913
- n. (Chem.) A salt of tungstic acid; a wolframate.
- n. a salt of tungstic acid
“Both wolfram and scheelite are of considerable importance as a source of tungstic acid for the manufacture of sodium tungstate, which is used as a mordant and for some other purposes, and as a source of metallic tungsten, which is used in steel-making.”
“Nancy Durant, a 15-year-old Negro girl from a Washington high school, handed in an essay proposing the use of sodium tungstate for fireproofing fabrics — a valuable new method.”
“(As an aside, the mineral scheelite (Ca (WO4, MoO4), calcium tungstate-molybdate) was named after Scheele in honor of his discovery of molybdenum.)”
“Tungsten is retrieved from the ore minerals scheelite (CaWO4, calcium tungstate) and wolframite ((Fe, Mn) WO4, iron-manganese tungstate).”
“The phosphates are often classified together with the arsenate, vanadate, tungstate, and molybdate minerals.”
“A patented material of this description is due to Zingler, who boils the canvas or similar woven fabric under pressure in a solution of tungstate of soda for three hours.”
“Unaffected by foul air, the tungstate appears to possess the common fault of all whites when compared with white lead -- want of body, moreover it is a bad dryer.”
“With us, at least, tungstate of baryta is far from having the body of white lead, and indeed is inferior in opacity to good zinc white.”
“Also many lodes contain hard heavy ferric ores, such as titanic iron, tungstate of iron, and hematite, in which gold is held.”
“Numerous other minerals are at times mistaken for tin, the most common of which are tourmaline or schorl, garnet, wolfram (which is a tungstate of iron with manganese), rutile or titanic acid, blackjack or zinc blende, together with magnetic, titanic, and specular iron in fine grains.”
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