CHEMICALS AND ALLIED APPLICATION NOTE 4.01.07 CONTACT PROCESS: SULFURIC ACID AND OLEUM www.kpatents.com SULFURIC ACID, H 2 SO 4 AND OLEUM Typical end products Fertilizers, explosives, dyes, and petroleum products Chemical curve: Sulfuric acid R.I. per Conc b.w. at Ref. Temp. of 20°C Range 0-80% Range 85-100% Introduction Sulfuric acid (H 2 SO 4 ) is a dense, colorless liquid when at room temperature.

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