therapeutic dosage of calcium carbonate ?
calx
"calcium" is know as "Calx" which means Lime.
Calcium was named after the latin word "Calx" which means lime. It's named after lime because lime is an oxide of calcium. (Oxide is oxygen + something)
It comes from a Latin word named "Calx" which means lime.
The name comes from the Latin calx, meaning lime (as in calcium oxide, not the citrus fruit).
Calcium (Latin calx, meaning "limestone") was known as early as the first century when the Ancient Romans prepared lime as calcium oxide. http://en.wikipedia.org/wiki/Calcium
Calcium was named after the latin word "Calx" which means lime. It's named after lime because lime is an oxide of calcium. (Oxide is oxygen + something)
Usually calcium carbonate in the form of calcite and or aragonite. There may also be clastic material (such as sand and silt grains) and fossilised shell fragments. Limestone also commonly contains the magnesium carbonate mineral dolomite - CaMg(CO3)2 to some extent.
Calx
lead calx + phlogiston = metallic lead
Calx is the Latin word for chalk or limestone.
calcium + oxygen --> calcium oxide Ca + O --> CaO