nitrous acid

[NITROUS-ANHYDRIDE.] nitrous-anhydride, s. Chem.: N2O3. Nitrous acid. Prepared by mixing four volumes of nitric oxide with one volume of oxygen, and exposing to a temperature of -17°. It condenses to a thin green liquid, its vapor being orange-red. It is decomposed by water into nitric acid and nitric oxide, hence it cannot combine directly with metallic oxides. nitrous-ether, s. 1. Chem.: C2H5NO2. Obtained by pa ing the vapor of nitrous acid into alcohol mixed with water. It is a pale yellow volatile product, po e ing an agreeable odor of apples. Boils at 16°, and has a gravity of 947. It is the active agent in the sweet spirit of niter of pharmacy. 2. Pharm .: Nitrous ether, popularly known as sweet spirits of niter, is used as a diaphoretic in dropsy and slight fevers. It is also refrigerant. nitrous-oxide, s. Chem.: N2O. Protoxide of nitrogen; laughing gas. Prepared by heating solid nitrate of ammonia in a flask and collecting the gas evolved over warm water. It is a colorle gas, without smell, of a distinctly sweet taste, and is remarkable for its intoxicating power upon the animal system. The effect is transient. It is used in dental surgery. ni-trox'-In, ni-trox'-l, s . [NITRYL.] ni-trox-ý-năph-tha-lāte, s . [English nitroxy naphthal(ic); -ate .] Chem.: A salt of nitroxynaphthalic acid. ni-trox-ý-năph-thăl-Ic, adj . [Pref. nitr (o-); Eng. oxy (gen); naphthalene), and suff. -ic .] Derived from or containing nitro-naphthalene and oxygen. nitroxynaphthalic-acid, s. ni-try, adj. [Eng. nit(e)r; y.] Pertaining to niter; producing niter; nitrous. "Winter my theme confines, whose nitry wind Gay: Trivia, ii. Shall crust the slabby mire." ni-trěl, s. (Eng. nitr (ic); -yl.] Chem.: (NO2). Nitrox in, nitroxyl. The name o nitric peroxide in combination. nit-ta, nut-ta, s. [A West African word.] (See etym. and compound.) IMG:content-0074.png:[blocks in formation]