分相硼珪酸ガラスの溶出過程

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書誌事項

タイトル別名
  • Leach-Out Process of Phase Separated Sodium Borosilicate Glass
  • フンソウダナ ケイサン ガラス ノ ヨウシュツ カテイ エイブン

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抄録

A phase separated sodium borosilicate glass was leached in various leaching conditions and leach out mechanism was conidered. The thickness of the leached layer is proportional to square root of leaching time and the leaching rate is scarcely hindered by saturation of the leached products. The rate is controlled by hydrogen ion diffusion from bulk to the rigid glass through the leached layer. Apparent diffusion coefficient-acid concentration plots have two reflection points at 2 and 6mol% of the acid. This is attributed to change in character of the leached layer. Large amount of inorganic and organic substances also change the nature of the leached layer and reduce the diffusion rate.

収録刊行物

  • 窯業協會誌

    窯業協會誌 80 (923), 277-284, 1972

    公益社団法人 日本セラミックス協会

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