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aPRE: Pitting resistance equivalent = %Cr + 3.3(%Mo) + 30N. b Above 85° C, the 10% FeCl3 solution chemically breaks down.

aPRE: Pitting resistance equivalent = %Cr + 3.3(%Mo) + 30N. b Above 85° C, the 10% FeCl3 solution chemically breaks down.

extensively used in the most varied applications including the pulp-and-paper industry, phosphoric acid environments, copper smelters, sulfuric acid production, pollution control, wastewater treatment in uranium mining, sulfuric acid evaporators, leaching of copper ores, pressure leaching of nickel from nickel lat-eritic ores, flue gas desulfurization systems of coal-fired power plants, viscose rayon production, fine chemicals production, and many others [18-20].

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