DescriptionCalciumcarbonate.png English: Chemical structure of calciumcarbonate Date 4 December 2009, 21:13 (UTC) Source Own work Author Edgar181 (talk)
org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Around 2 g of calcium-48 carbonate determination method: SHA-1