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. 2023 Aug 3;16(15):5434. doi: 10.3390/ma16155434

Table 2.

Chemical composition of fly ash. (Unit: %).

Chemical Composition SiO2 Al2O3 Fe2O3 CaO K2O Na2O MgO SO3 LOI
Content 40~60 17~35 2~15 1~10 0.5~4 0.5~4 0.5~2 0.1~2 1~26