caustic lime

The verjus gives it that hit of sour acid, which is what we generally use lime for in cocktails.

Why not have sought out the pure white lime-rocks of the flat country, or the grey granite of the hills?

For instance, the Limestone Polypody is not happy unless there is a certain amount of lime present in the soil.

Amorphous urates are readily soluble in caustic soda solutions.

Crystals of calcium oxalate are insoluble in acetic acid or caustic soda.

But, before they can be used for this purpose, these leaves are coated with lime made from oyster shells and then folded up.