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chemistry, an alkali (from Arabic al-qaly "ashes of the saltwort") is a basic, ionic compound salt of an alkali metal or alkaline earth metal chemical element...

alkali, does not possess the acrimony of either of its constituent parts. It can easily be separated from water, has little or no effect upon metals,...

clay. 6. Silica. 7. Glucina. 8. Zirconia. 9. Yttria. Alkalis, acids, metallic ores, and native metals, were supposed to be of an entirely dissimilar constitution...

highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na. The free metal does not occur...

precipitated by a fixed or by a volatile alkali, and noted the use of gallic acid as a test for other metals than iron. (From 1775 A.D. till 1900 A.D...

such as halogens, metals, metalloids, and minerals. ...[M]ost of the raw materials for geopolymer synthesis are rock-forming minerals. ...There are numerous...

(1826) follows: "Alkali, Fossil. Alkali, Marine. Alkali, Mineral. (See Soda) Soda obtained the names of mineral, fossil, or marine alkali, from its forming...

is usually mixed with an acid solution of tin, so as to neutralize the alkali and precipitate the indigo-white; the precipitate is then used for printing...

Isolation of the Metals of the Alkalis, p. 116. It was taught by some chemists that an alkali is hidden in every earth, and by others that an alkali is an earth...

families of elements with similar properties, including the alkali metals, the alkaline earth metals, and the halogens. Reflecting on the properties of these...

titanium nitride, and analysed great numbers of minerals and meteorites and compounds of the rarer metals. He made Gottingen famous as a school of chemistry...

termed it sal nitri, but distinguished between it and nitrum, the fixed alkali of the older writers; in the sixteenth century this latter word was converted...

5–10 min) for uniform distribution in volume. For fibreglass concrete, an alkali-resistant (AR) fibre should be used. PVA fibres have a higher tensile strength...

beast. The most predominant of these noxious substances is a species of alkali, known there by the title of tequesquite. It is often seen oozing out from...