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Corrosion of High Strength Steel in Concentrated Sulfuric Acid Pickling Solutions and Its Inhibition by 3-Amino-5-mercapto-1,2,3-triazole

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Figure 1.  Potentiodynamic polarization curves obtained for the high strength steel after its immersion for (1) 30 min, (2) 90 min, and (3) 180 min immersion in 2.0 M H2SO4 solutions at room temperature
Figure 2.  Potentiodynamic polarization curves obtained for the high strength steel after its immersion for 30 min in 2.0 M H2SO4 in the absence (1) and the presence of (2) 1x10-3 M AMTA and (3) 5x10-3 M AMTA, respectively
Figure 3.  Potentiodynamic polarization curves obtained for steel after its immersion for 90 min in 2.0 M H2SO4 in the absence (1) and the presence of (2) 1x10-3 M AMTA and (3) 5x10-3 M AMTA, respectively
Figure 4.  Potentiodynamic polarization curves obtained for steel after its immersion for 180 min in 2.0 M H2SO4 in the absence (1) and the presence of (2) 1x10-3 M AMTA and (3) 5x10-3 M AMTA, respectively
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