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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..

Sulpharsenic :: Sulpharsenate (n.) A salt of sulpharsenic acid.

Skutterudite :: Skutterudite (n.) A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consists of arsenic and cobalt.

Arsenious :: Arsenious (a.) Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as, arsenious acid..

Tennantite :: Tennantite (n.) A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper..

Tetratomic :: Tetratomic (a.) Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic..

Realgar :: Realgar (n.) Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product..

Tablet :: Tablet (n.) A flattish cake or piece; as, tablets of arsenic were formerly worn as a preservative against the plague..

Cobalt :: Cobalt (n.) A commercial name of a crude arsenic used as fly poison.

Silver :: Silver (n.) A soft white metallic element, sonorous, ductile, very malleable, and capable of a high degree of polish. It is found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the noble metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5..

Sulphocarbonate :: 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..

Ullmannite :: Ullmannite (n.) A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel..

Ustulation :: Ustulation (n.) The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle..

Orpiment :: Orpiment (n.) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing..

Proustite :: Proustite (n.) A sulphide of arsenic and silver of a beautiful cochineal-red color, occurring in rhombohedral crystals, and also massive; ruby silver..

Fowler''s Solution :: Fowler's solution () An aqueous solution of arsenite of potassium, of such strength that one hundred parts represent one part of arsenious acid, or white arsenic; -- named from Fowler, an English physician who first brought it into use..

Sesquisulphide :: Sesquisulphide (n.) A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide..

Pennyweight :: Pennyweight (n.) A troy weight containing twenty-four grains, or the twentieth part of an ounce; as, a pennyweight of gold or of arsenic. It was anciently the weight of a silver penny, whence the name..

Arsenate :: Arsenate (n.) A salt of arsenic acid.

Ore :: Ore (n.) The native form of a metal, whether free and uncombined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers)..

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