CALCIUM carbonate can exist in three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite. Calcite is the most stable and the least soluble ...

When the dry matter of these leaves is extracted with water, the ash and the calcium of the soluble fraction of mature normal Washington Navel and Valencia orange leaves are greater than those of ...

Vitamin D supplements are popular for bone health and immunity. When is the best time to take vitamin D? Here's how to take ...