International Scholarly Research Notices / 2011 / Article / Tab 1

Research Article

Evaluation of Nitrilotrimethylene Phosphonic Acid and Nitrilotriacetic Acid as Corrosion Inhibitors of Mild Steel in Sea Water

Table 1

Corrosion parameters of mild steel in sea water in presence of inhibitors at 298 K.

Concentration (ppm)βˆ’ 𝐸 c o r r (mV) 𝐼 c o r r ( πœ‡ A/cm2) 𝑏 𝑐 (mV/dec) 𝑏 π‘Ž (mV/dec)Inhibition efficiency ( 𝐼 %)

3 NTP59013.532012574.5
30 NTP55511.031512579.2
100 NTP5506.531012587.7
300 NTP5858.030513584.9
3 NTA64432.018011539.6
30 NTA63829.018011545.3
100 NTA63027.018011549.1
300 NTA62525.518012551.9