Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or containing tungsten, especially with valence 6.
from The Century Dictionary.
- Of or pertaining to or obtained from tungsten.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Of or pertaining to tungsten; derived from, or resembling, tungsten; wolframic.
- adjective an acid of tungsten, H2WO4, analogous to sulphuric and chromic acids.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry of or relating to
tungsten - adjective chemistry containing
hexavalent tungsten
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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_Tungsten Blue_ is an oxide formed by the action of various deoxidizing agents on tungstic acid.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists George Field
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Next followed the discovery of tungstic acid, and in 1783 he added to his list of useful discoveries that of glycerine.
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This solution gives with hydrochloric acid a white precipitate of tungstic acid, which becomes yellow on boiling, but the separation is not complete.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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It must be remembered when calculating the percentage that (with the exception of the silica, tungstic acid, and tin) the determinations have been made on 1 gram of the sample.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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Any silica present will be left undissolved; it should be separated and weighed, and its weight deducted from that of the tungstic acid found.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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Tungsten occurs in nature only in the oxidised state, or as tungstic acid (WO_ {3}), either free, as in wolframine, or combined with oxides of manganese and iron, as in wolfram, or with lime, as in scheelite.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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The residual tungstic acid is fixed, so that when the ammonia has been driven off it may be strongly heated without loss.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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This may be got rid of by boiling in aqua regia, and dissolving out the tungstic acid which has been liberated by means of ammonia.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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On boiling with hydrochloric acid they are both liberated, and remain for the greater part (all the niobic) in the insoluble residue with the tungstic acid.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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Tungsten itself is insoluble in nitric acid or aqua regia; but is converted into tungstic acid (WO_ {3}) by prolonged and strong ignition in air.
A Text-book of Assaying: For the Use of Those Connected with Mines. Cornelius Beringer 1886
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