From: Anticorrosive efficacy and adsorptive study of guar gum with mild steel in acidic medium
1N HCl | Cont. (ppm) | B | K | R2 | 1N H2SO4 | B | K | R2 | 1N HNO3 | B | K | R2 |
0 | −0.35 | 1.1 | 0.96 | −0.36 | 0.92 | 0.93 | −0.02 | 0.01 | 0.70 | |||
250 | −0.27 | 1.6 | 0.99 | −0.44 | 1.7 | 0.98 | −0.14 | 0.64 | 0.90 | |||
500 | −0.25 | 1.6 | 0.97 | −0.44 | 1.74 | 0.98 | −0.15 | 0.57 | 0.89 | |||
750 | −0.25 | 1.65 | 0.99 | −0.44 | 1.85 | 0.98 | −0.12 | 0.44 | 0.76 | |||
1000 | −0.19 | 1.56 | 0.99 | −0.41 | 1.86 | 0.96 | −0.11 | 0.4 | 0.74 | |||
313Â K | ||||||||||||
1N HCl | 0 | −0.34 | 1.05 | 0.96 | 1N H2SO4 | −0.35 | 0.87 | 0.94 | 1N HNO3 | −0.02 | 0.03 | 0.93 |
250 | −0.26 | 1.54 | 0.99 | −0.43 | 1.61 | 0.97 | −0.13 | 0.59 | 0.92 | |||
500 | −0.22 | 1.52 | 0.98 | −0.42 | 1.64 | 0.98 | −0.14 | 0.53 | 0.87 | |||
750 | −0.24 | 1.54 | 0.98 | −0.43 | 1.75 | 0.94 | −0.11 | 0.39 | 0.74 | |||
1000 | −0.2 | 1.52 | 0.99 | −0.44 | 1.8 | 0.97 | −0.1 | 0.36 | 0.71 |