The simple nature of the alkalies Lavoisier considered so doubtful that he did not class them as elements, which he conceived as substances which could not be further decomposed by any known process of analysis - les molecules simples et indivisibles qui composent les corps.
They hydrolyse readily when boiled with solutions of caustic alkalies or mineral acids, yielding the constituent acid and alcohol.
The acid when fused with caustic alkalies yields oxalic acid.
The globulins are insoluble in water and in dilute acids, but soluble in alkalies and in neutral salt solutions; these solutions are coagulated on boiling.
After absorption into the blood, the acetates are oxidized to carbonates, and therefore are remote alkalies, and are administered whenever it is desired to increase the alkalinity of the blood or to reduce the acidity of the urine, without exerting the disturbing influence of alkalies upon the digestive tract.
Chlorophyll is not soluble in water, nor in acids or alkalies without decomposition.
With benzene sulphochloride in the presence of alkali, the primary amines yield compounds of the type C 6 H 5 S0 2 NHR, soluble in alkalies, whilst the secondary amines yield compounds of the type C 6 H 5 S0 2 NR 2, insoluble in alkalies (0.
They do not polymerize, and in the presence of caustic alkalies do not resinify, but oxidize to alcohols and acids (see Benzaldehyde for Cannizzaro's reaction).
The salts are obtained by the action of alkalies on the acid.
These nitrates generally occur as efflorescences caused by the oxidation of nitrogenous matter in the presence of the alkalies and alkaline earths.