On the Measurement of Cation Exchange Capasity of Zeolite Tuffs

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  • 沸石凝灰岩の塩基交換能測定法について
  • フッセキ ギョウカイガン ノ エンキ コウカンノウ ソクテイホウ ニ ツイテ

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Abstract

The most suitable condition about the Schollenberger's method was obtained to get the cation exchange capasity for zeolite bearing tuffs. The result is that the specimen is fully saturated with NH4+ by treating with 60 ml of 1N NH4COOH solution taking about 2 hours, and is enough extracted all of the exchanged NH4 by treating with 60 ml of 10% KCl solution taking about 2 hours.<BR>The cation exchange capasities of many zeolite bearing tuffs were obtained by this method and the quantative values of zeolite in tuffs were presumed with the data of the X-ray reflection's intensity.<BR>For the comparison with the data obtained by the Schollenberger's method, the Schofield's method was examined. The value obtained by the latter method is about 10% higher than the former one.

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