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Table 3 Analytical results for silica sand – 2

From: Stepwise complexometric determination of aluminium, titanium and iron concentrations in silica sand and allied materials

Constituents Set-I, % w/w, Results obtained using the proposed method Set-II, % w/w Results obtained by complexometry5 for Al, and colorimetry6 for Fe and Ti
Al2O3 3.49 ± 0.11 3.45 ± 0.09
Fe2O3 0.33 ± 0.05 0.35 ± 0.04
TiO2 0.38 ± 0.05 0.40 ± 0.04