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Table 6 Analytical results for foundry Sand – 5

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 4.70 ± 0.14 4.72 ± 0.12
Fe2O3 0.94 ± 0.10 0.96 ± 0.09
TiO2 0.15 ± 0.05 0.19 ± 0.04