Scientific instruments and apparatus, for use in the fields of biofuels, environmental science, foods and beverages, forensics, chemicals, hydrocarbon processing, materials characterization, nanomaterials, pharmaceuticals and semiconductors, namely, analyzers for testing foods, beverages and drinking water for the presence of contaminants, analyzers for testing fuels for the presence of contaminants and for correct composition of the fuels; scientific instruments, namely, electronic analyzers...