Fig. 3From: Silica-titania xerogel doped with Mo,P-heteropoly compounds for solid phase spectrophotometric determination of ascorbic acid in fruit juices, pharmaceuticals, and synthetic urineThe ratio of Mo atomic percentage to the sum of Si and Ti atomic percentages for three modified xerogels (n = 10, P = 0.95) (see Table 1 for xerogel names)Back to article page