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Experimental Transformation of 2M Sericite into a Rectorite-Type Mixed-Layer Mineral by Treatment with Various Salts. II. Experiments Using a Magnetic Stirrer and a Centrifuge

Published online by Cambridge University Press:  01 July 2024

Katsutoshi Tomita
Katsutoshi Tomita*
Affiliation:
Institute of Earth Sciences, Kagoshima University, Kagoshima, Japan
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Abstract

Dehydroxylated sericites were stirred in the various salt solutions, or washed several times with various salt solutions using a centrifuge. By these treatments a seriate of the 2M type was easily transformed into an interstratified mineral of the rectorite type when a sericite was treated with sodium salts, and random mixed-layer mineral was formed from 1M sericite. The formation of a rectorite-type mixed-layer mineral from 2M sericite can be explained by the (OH) bond direction after the extraction of the potassium ions.

Резюме

Резюме

Дегидроксилированные серициты были перемешаны в различных соляных растворах или промыты несколько раз различными соляными растворами с использованием центрифуги. В результате таких обработок серицит типа 2M был легко преобразован в слоистый минерал типа ректорита при обработке солями натрия и сложный смешанно-слойный минерал был образован из серицита 1M. Формирование смешанно-слойного минерала типа ректорита из серицита 2M может быть объяснено изменением направления связи /ОН/ после экстракции иона калия.

Kurzreferat

Kurzreferat

Dehydroxylierte Serikiten wurden in verschiedenen Salzlösungen gemischt oder etliche Male mit verschiedenen Salzlösungen in einer Zentrifuge gewaschen. Durch Behandlungen mit Natriumsalzen, wurde ein Serikit der 2M Type sehr einfach in ein interstratifiziertes Mineral übergeführt; und ein wahllos-gemischte-Schicht Mineral wurde von 1M Serikit geformt. Die Bildung eines Rektoriten-Typ, gemischte-Schicht Minerals von 2M Serikit, kann durch die OH-Bindungsdirektion nach der Extraktion der Kaliumionen, erklärt werden.

Résumé

Résumé

Des séricites déshydroxylatées ont été mélangées dans des solutions de sel variées, ou bien lavées plusieurs fois avec des solutions de sel variées au moyen d'un centrifuge. Ces traitements ont facilement transformé une séricite de type 2M en un minéral interstratifié du type rectorite quand la séricite était traitée avec des sels de sodium, et un minéral à feuillets mélangés fortuitement a été formé à partir de la séricite 1-M. La formation dun minéral à feuillets mélangés du type rectorite à partir d'une séricite 2M s'explique par la direction du pont OH après l'extraction de l’ ion de potassium.

Keywords

InterlayerInterstratifiedPotassiumRectoriteSericite
Type
Research Article
Information
Clays and Clay Minerals , Volume 26 , Issue 3 , June 1978 , pp. 209 - 216
Copyright
Copyright © 1978, The Clay Minerals Society

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