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Table 1 The composition of sol and names for sol–gel materials synthesized in present work

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

  Ti12.5HPC0 Ti0HPC20 Ti5HPC20 Ti12.5HPC20 Ti5HPC30
Tetraethyl orthosilicate, mL 8.75 10.00 9.95 8.75 9.95
Titanium(IV) tetraethoxyde, mL 1.25 0.05 1.25 0.05
Ethanol, mL 10.00 10.00 10.00 10.00 10.00
Mo,P-HPC, mL 6.00 6.00 6.00 9.00
0.05 mol/L HCl, mL 10.00 4.00 4.00 4.00 1.00