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Fraxin :: Fraxin (n.) A colorless crystalline substance, regarded as a glucoside, and found in the bark of the ash (Fraxinus) and along with esculin in the bark of the horse-chestnut. It shows a delicate fluorescence in alkaline solutions; -- called also paviin..

Soap :: Soap (n.) A substance which dissolves in water, thus forming a lather, and is used as a cleansing agent. Soap is produced by combining fats or oils with alkalies or alkaline earths, usually by boiling, and consists of salts of sodium, potassium, etc., with the fatty acids (oleic, stearic, palmitic, etc.). See the Note below, and cf. Saponification. By extension, any compound of similar composition or properties, whether used as a cleaning agent or not..

Potash :: Potash (n.) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash..

Protamin :: Protamin (n.) An amorphous nitrogenous substance found in the spermatic fluid of salmon. It is soluble in water, which an alkaline reaction, and unites with acids and metallic bases..

Alkalization :: Alkalization (n.) The act rendering alkaline by impregnating with an alkali; a conferring of alkaline qualities.

Lye :: Lye (n.) A strong caustic alkaline solution of potassium salts, obtained by leaching wood ashes. It is much used in making soap, etc..

Pinite :: Pinite (n.) A compact granular cryptocrystalline mineral of a dull grayish or greenish white color. It is a hydrous alkaline silicate, and is derived from the alteration of other minerals, as iolite..

Phthalein :: Phthalein (n.) One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alkaline solutions are fluorescent..

Puer :: Puer (n.) The dung of dogs, used as an alkaline steep in tanning..

Lixivial :: Lixivial (a.) Having the qualities of alkaline salts extracted from wood ashes.

Antalkaline :: Antalkaline (a.) Of power to counteract alkalies.

Diethylamine :: Diethylamine (n.) A colorless, volatile, alkaline liquid, NH(C2H5)2, having a strong fishy odor resembling that of herring or sardines. Cf. Methylamine..

Quillaia Bark :: Quillaia bark () The bark of a rosaceous tree (Quillaja Saponaria), native of Chili. The bark is finely laminated, and very heavy with alkaline substances, and is used commonly by the Chilians instead of soap. Also called soap bark..

Borax :: Borax (n.) A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O..

Uranin :: Uranin (n.) An alkaline salt of fluorescein, obtained as a brownish red substance, which is used as a dye; -- so called from the peculiar yellowish green fluorescence (resembling that of uranium glass) of its solutions. See Fluorescein..

Alkaline :: Alkaline (a.) Of or pertaining to an alkali or to alkalies; having the properties of an alkali.

Cyanogen :: Cyanogen (n.) A colorless, inflammable, poisonous gas, C2N2, with a peach-blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The name is also applied to the u

Alkalescency :: Alkalescency (n.) A tendency to become alkaline; or the state of a substance in which alkaline properties begin to be developed, or to predominant..

Apollinaris Water :: Apollinaris water () An effervescing alkaline mineral water used as a table beverage. It is obtained from a spring in Apollinarisburg, near Bonn..

Amphoteric :: Amphoteric (a.) Partly one and partly the other; neither acid nor alkaline; neutral.

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