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Table 4 Chemical analysis of the clay material

From: Green waste recycling of peanuts highly contaminated with aflatoxins in clay brick manufacturing

Main constituent (wt%)
SiO2 58.67
Al2O3 14.69
Fe oxides 6.71
CaO 3.46
MgO 1.38
Na2O 1.62
K2O 1.07
TiO2 0.88
Cl 1.14
SO3 3.40
Others 0.04
LOI 7.02
Total 100.08