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. Cf. Manganous. Manganic acid, an acid, H2MnO4, formed from manganese, analogous to sulphuric acid.

The process or operation of obtaining the mercury, in its fluid form, from mercuric minerals.

To obtain mercury from, as mercuric minerals, which may be done by any application of intense heat that expels the mercury in fumes, which are afterward condensed. [R.]

H3(CH3)3, of the benzene series of hydrocarbons, obtained by distilling acetone with sulphuric acid. -- Me*sit`y*len"ic, a.

A pulmonate mollusk (Auricula, or Ellobium, aurismidæ); -- so called from resemblance to a human ear.

gnated with minerals; as, mineral waters. Mineral acids (Chem.), inorganic acids, as sulphuric, nitric, phosphoric, hydrochloric, acids, etc., as distinguished from the organic acids. -- Mineral blue, the name usually given to azurite, when reduced to an impalpable powder for coloring purposes. -- Mineral candle, a c…

Pertaining to a miter; resembling a miter; as, the mitral valve between the left auricle and left ventricle of the heart.

An acid elevator, as a tube through which acid is forced to some height in a sulphuric acid manufactory.

ch turns red on exposure to the air; -- called also uramil, dialuramide, and formerly purpuric acid.

A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide.

To treat or test, as a liquid, with a solution of mercuric iodide in potassium iodide and potassium hydroxide, which is called Nessler's solution or Nessler's test, and is used to detect the presence of ammonia.

ike keratin it resists the action of most chemical agents, and by decomposition with sulphuric acid yields leucin and tyrosin.

. Nitric acid, a colorless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is powerfully corrosive, being a strong acid, and in decomposition a strong oxidizer. -- Nitric anhydride, a white crystalline oxide of nitrogen (N2O5), called nitric pentoxide, and regarded as the anhydride of nitr…

erin nitrate. It is made by the action of nitric acid on glycerin in the presence of sulphuric acid. It is extremely unstable and terribly explosive. A very dilute solution is used in medicine as a neurotic under the name of glonion. [Written also nitroglycerine.]

he term is sometimes loosely used to designate certain nitro compounds; as, nitrosyl sulphuric acid. Used also adjectively.

pounds, as acids from which the real acids are obtained by dehydration; thus, normal sulphuric acid and normal nitric acid are respectively S(OH)6, and N(OH)5.

Pertaining to an acid now called sulphovinic, or ethyl sulphuric, acid.

, but inferior in value; a mixed metal of the ancients, resembling brass; -- called also aurichalcum, orichalcum, etc.

cid. (Chem.) (a) Osmic tetroxide. [Obs.] (b) Osmic acid proper, an acid analogous to sulphuric acid, not known in the free state, but forming a well-known and stable series of salts (osmates), which were formerly improperly called osmites. -- Osmic tetroxide (Chem.), a white volatile crystalline substance, OsO4, the m…

Of, pertaining to, or in the region of, the ear; auricular; auditory.