Table 2 A list of the samples used in this work, including composition, mineral type, and the source of the sample
Sample name | Chemical composition | Mineral type | Source |
|---|---|---|---|
Magnesite | MgCO3 | carbonate | Winchester, WI |
Calcite | CaCO3 | carbonate | Iceland Spar Calcite from Wards Natural Science |
Goethite | FeO(OH) | iron oxyhydroxide | Pfizer (YO- 3587, described by [15]) |
Kaolinite (KGa-2) | Al2Si2O5(OH)4 | phyllosilicate | Clay Mineral Society standard |
Ca-Montmorillonite (STx-1) | Ca0.3Al2Si4O10(OH)2 · (H2O)10 | phyllosilicate | Clay Mineral Society standard |
Kieserite | MgSO4 · H2O | sulfate | K + S company, ESTA Kieserite |
Epsomite | MgSO4 · 7(H2O) | sulfate | Standard pharmacy grade |
Alunite | KAl3(SO4)2(OH)6 | sulfate | Wards Natural Science |