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arsenic
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The Salt of the World?
- Arsenic - n. - One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356¡ Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenicum of the ancients. The element and its compounds are active poisons. Specific gravity from 5.7 to 5.9. Atomic weight 75. Symbol As.
- Arsenic - n. - Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.
- Arsenic - a. - Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.
- Arsenical - a. - Of or pertaining to, or containing, arsenic; as, arsenical vapor; arsenical wall papers.
- Arsenicate - v. t. - To combine with arsenic; to treat or impregnate with arsenic.
- Arsenicated - imp. & p. p. - of Arsenicate
- Arsenicating - p. pr. & vb. n. - of Arsenicate
- Arsenicism - n. - A diseased condition produced by slow poisoning with arsenic.
- Arsenic - a. - Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.
- Arsenide - n. - A compound of arsenic with a metal, or positive element or radical; -- formerly called arseniuret.
- Proustite - n. - A sulphide of arsenic and silver of a beautiful cochineal-red color, occurring in rhombohedral crystals, and also massive; ruby silver.
- Tablet - n. - A flattish cake or piece; as, tablets of arsenic were formerly worn as a preservative against the plague.
- Cobalt - n. - A commercial name of a crude arsenic used as fly poison.
- Arsine - n. - A compound of arsenic and hydrogen, AsH3, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen.
- Sulpharsenic - a. - Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenic acid) analogous to arsenic acid, and known only in its salts.
- Sulphoarsenic - a. - Of, pertaining to, or containing, sulphur and arsenic; -- said of an acid which is the same as arsenic acid with the substitution of sulphur for oxygen.
- Nickel - n. - A bright silver-white metallic element. It is of the iron group, and is hard, malleable, and ductile. It occurs combined with sulphur in millerite, with arsenic in the mineral niccolite, and with arsenic and sulphur in nickel glance. Symbol Ni. Atomic weight 58.6.
- Skutterudite - n. - A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consists of arsenic and cobalt.
- Tombac - n. - An alloy of copper and zinc, resembling brass, and containing about 84 per cent of copper; -- called also German, / Dutch, brass. It is very malleable and ductile, and when beaten into thin leaves is sometimes called Dutch metal. The addition of arsenic makes white tombac.
- Tennantite - n. - A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.
- Arsenate - n. - A salt of arsenic acid.
- Spirit - n. - Any one of the four substances, sulphur, sal ammoniac, quicksilver, or arsenic (or, according to some, orpiment).
- Ustulation - n. - The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle.
- Binarseniate - n. - A salt having two equivalents of arsenic acid to one of the base.
- Leucopyrite - n. - A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.