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Table 3 Absorption and SiO2 concentration and mass fraction of SiO2 of attapulgite solution.

From: Calcined Attapulgite Clay as Supplementary Cementing Material: Thermal Treatment, Hydration Activity and Mechanical Properties

Clay sample Average abs SiO2 concentration (mg/L) Mass fraction of SiO2 (%)
AT00 0.3880 28.4787 3.56
AT200 0.4790 35.5275 4.44
AT300 1.0727 81.5125 10.19
AT400 1.1443 87.0573 10.88
AT500 2.1854 167.7041 20.96
AT600 0.7103 53.4400 6.68
AT700 0.3247 23.5729 2.95
AT800 0.6353 47.6370 5.95