The mixture of calcium and lead carbonates is filtered off and roasted at a low red heat in order to regenerate the calcium plumbate.
Divine grace originates, maintains and perfects all the good in man, so much so that he cannot, though regenerate, conceive, will or do any good thing without it.
Both oximes and hydrazones, on boiling with dilute acid, regenerate the parent aldehyde.
Their scholastic doctors gravely discuss whether - since water is the "matter" of baptism - a soul can be made regenerate by milk, or rose-water or wine.
They discriminate between the red or erythro-salts, which are well crystallized, very explosive and unstable compounds, and which regenerate the colourless nitrolic acid on the addition of dilute mineral acids, and the leuco-salts, which are colourless salts obtained by warming the erythro-salts or by exposing them to direct sunlight.