Fig. 1From: Silica-titania xerogel doped with Mo,P-heteropoly compounds for solid phase spectrophotometric determination of ascorbic acid in fruit juices, pharmaceuticals, and synthetic urinePore size distributions according to the BJH method calculated from the desorption branches for xerogels doped with HPC. 1 Ti0HPC20, 2 Ti5HPC20, 3 Ti12.5HPC20, 4 Ti5HPC30, 5 Ti12.5HPC0 (see Table 1 for xerogel names)Back to article page