Table 2: Weight loss values of esomeprazole at various temperatures in 1 M H2SO4 solution.

Concentration of inhibitor (ppm)Corrosion rate (mm y−1)Inhibition efficiency (%)
303 K313 K323 K333 K303 K313 K323 K333 K

Blank657.1659.7735821.5
50317.8390.244660350.7240.8539.3226.60
100250289.1318.2444.261.9556.1841.6845.93
150203.5207.3256.5396.369.0368.5865.1051.76
200182.118022332072.2972.7169.6561.05
250150158.5198.8286.577.1775.9772.9565.12
300125127.2180.124180.9780.7175.5070.66