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Table 3 The titanium content (Ti/(Ti + Si)) in xerogels according to the energy-dispersive X-ray analysis (n = 10, P = 0.95)

From: Silica-titania xerogel doped with Mo,P-heteropoly compounds for solid phase spectrophotometric determination of ascorbic acid in fruit juices, pharmaceuticals, and synthetic urine

Xerogel sample Predicted Ti content,  % Ti content found by EDX,  %
Ti0HPC20 0 Not found
Ti5HPC20 5 4.4 ± 0.7
Ti12.5HPC20 12.5 13.6 ± 2.6
Ti12.5HPC0 12.5 13.5 ± 1.4