There is much debate over which type of calcium supplement, calcium carbonate or calcium citrate, is absorbed the best. Use the tips to help make your choice easier. Your doctor will also help you ...

"We can make calcium carbonate concrete bricks large and strong ... construction materials is less than in the past, so it is a good time to develop a new type of construction business, while ...

A research team has shown that methanogens, micro-organisms ubiquitous in low-oxygen environments like aquifers, soil and even permafrost, can propel their growth by dissolving calcium carbonate, one ...

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 ...