A comparative quantitative study of an Omani soil using X-ray diffraction technique

A. A. Al-Rawas, A. Hago, H. H. Sutherland, A. A. Yousif, M. Al-Shihi, B. Al-Shihi

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Two methods for the quantification of clay minerals using X-ray diffraction techniques: the Constant Mineral Standards Method and the Constant Clay Method were applied to soil samples from A1-Khod (Northern Oman). The first method was based on the addition of different concentrations of clay to constant mineral standards while the latter was based on the additions of known internal standards to the clay sample. The clay investigated in this study contained montmorillonite, palygorskite, illite and kaolinite. The areas of the reflection peaks were found to relate linearly with additions of different proportions of clay or mineral standards. Using the two methods, the concentrations of the different components and their experimental errors were determined. From the errors and self consistency of the results obtained, and the practicality of sample preparation, it is proposed to use the Constant Mineral Standards Method.

Original languageEnglish
Pages (from-to)69-84
Number of pages16
JournalGeotechnical and Geological Engineering
Volume19
Issue number1
DOIs
Publication statusPublished - 2001

Keywords

  • Clays
  • Internal mineral standards
  • Quantitative analysis
  • X-ray diffraction

ASJC Scopus subject areas

  • Architecture
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Geology

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