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The contact process is a method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum was originally used as the catalyst for this reaction; however, because it is susceptible to reacting with arsenic impurities in the sulfur feedstock, vanadium(V) oxide (V2O5) has since been preferred.[1]
- ^ "History". Ravensdown. Archived from the original on May 23, 2010. Retrieved March 1, 2010.