| abstract |
The present invention provides a method for producing a calcium carbonate block useful as a bone filling material or a raw material for a bone filling material required in medical treatment, wherein the calcium carbonate block satisfies the following requirements Properties: 1) Excellent mechanical strength, 2) Can be produced by a simple production method, 3) No impurities, 4) High reactivity. A method for producing a calcium carbonate block, which includes a step of forming a calcium hydroxide block containing water, and a carbonation step of immersing the calcium hydroxide block in an aqueous solution containing carbonate ions. |