from The Century Dictionary.
- noun A salt formed by the combination of arsenic acid with any base.
from the GNU version of the Collaborative International Dictionary of English.
- noun rare See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun inorganic chemistry
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The active and special principle of both waters is the arseniate of soda, which, it will be observed, is 29 times more abundant in the Bourboule water than in that of Mont-Dore.
Besides containing the usual quantity of the arseniate of soda, about one-thousandth part in two pints, it contains more than any of the other springs of the bicarbonate of soda, lime, and magnesia.
Cupric arsenite, when heated, gives off arsenious acid and water, leaving a residue of arsenide of copper and copper arseniate.
They contain bicarbonate of soda, lime, and magnesia, lithia, iodine, iron, and some of them traces of the arseniate of soda, and owe their pungency to the free carbonic acid gas.
The arseniate has always a violet tinge, more visible by gas-light than by day; while, on account of the arsenic, the blue is more apt to be greened by impure air, by reason of the formation of yellow sulphide of arsenic.
There may be employed with the aluminous base, either the arseniate, the borate, or the phosphate of cobalt; but the latter in preference, as it produces the purest colour.
_Schweinfurt Blue_, or Reboulleau's Blue, is prepared by fusing together equal weights of ordinary arseniate of protoxide of copper and arseniate of potash, and adding one-fifth its weight of nitre to the fused mass.
The deposit is dissolved by a solution of chloride of lime, turned yellow by sulphide of ammonium after evaporation; on the addition of strong nitric acid, evaporated and neutralized with ammonia and nitrate of silver added, a brick-red colour is produced -- arseniate of silver.
_Chrome Arseniate_ is an agreeable apple-green colour, prepared from arseniate of potash and salts of chromic oxide.
Mont-Dore, but richer in the chief ingredient to which they owe their especial virtue -- the arseniate of soda.