廃ホタテ貝殻焼成物を原料とするａｒａｇｏｎｉｔｅ型軽質炭酸カルシウムの合成　第２報　　種結晶としてａｒａｇｏｎｉｔｅ型炭酸塩を用いる方法

DOI Web Site 被引用文献1件 参考文献6件
  • 笹木 圭子
    Graduate School of Engineering, Hokkaido University, Kita–ku, Sapporo 060–8628
  • 本郷 大
    Graduate Student, Graduate Schoool of Engineering, Hokkaido University
  • 恒川 昌美
    Graduate School of Engineering, Hokkaido University, Kita–ku, Sapporo 060–8628

書誌事項

タイトル別名
  • Synthesis of Aragonite-type of Calcium Carbonate from Calcined Scallop Shell (2nd Report). With carbonates of aragonite-structure as seeds.
  • ハイホタテ カイガラ ショウセイブツ オ ゲンリョウ ト スル aragoni

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抄録

Aragonite-type calcium carbonate was synthesized from calcined scallop shell using carbonates of orthorohombic structure (such as SrCO3) as seeds, by bubbling CO2 at ambient temperature. The products were examined by FTIR, SEM, EPMA, and XRD. The addition of SrCO3 increased aragonite content in the products, but BaCO3 and PbCO3 did not play the role of seed crystals due to the difference of their lattice parameters to those of aragonite, whereas lattice parameters of SrCO3 are the most similar to them. With increasing SrCO3 -addition, formation of aragonite was accelerated to a limit in the amount. Light calcium carbonate rich in aragonite was formed in agglegates consisting of needle-like crystals with large specific surface areas.

収録刊行物

  • 資源と素材

    資源と素材 114 (10), 709-713, 1998

    一般社団法人 資源・素材学会

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