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Table 2 Major element composition of the initial sandstone compared to the reference values of Hirsch (2008)

From: Flow-through experiments on the interaction of sandstone with Ba-rich fluids at geothermal conditions

Mass % SiO2 Al2O3 K2O TiO2 Fe2O3 Na2O MgO CaO
IAM-AWP (2016)a 93.70 3.55 2.26 0.33 0.28 0.10 0.07 0.07
Hirsch (2008) 94.54 2.89 1.93 0.03 0.25 0.09 0.04 0.06
  1. aPerformed at 60 °C and 300 bar (IAM-AWP—Institute for Applied Materials, 2016)