Inhibition efficiency of water-soluble chitosan inhibitor from fish scales waste on low carbon steel SS400 in NaCl solution Available to Purchase

This study outlines the synthesis of water-soluble chitosan inhibitors (WSCI) from fish scale waste, completed through waste preparation, demineralization, deproteination, and deacetylation. By cutting the hydrophilic group of chitosan monomer with H2O2, the WSCI was obtained. Fourier transform infrared (FTIR) spectroscopy was used to characterize the shifting on the functional group during WSCI synthesis. The weight-loss method was used to test the effect of the addition WSCI to low carbon steel SS400 in 3 % NaCl environmental test media at various concentrations and temperatures. The findings indicate that at a 500 ppm concentration and temperature of 303 K, the synthesized WSCI samples have an inhibition efficiency of up to 72.02%. The efficiency of the inhibitor is known to increase with increasing WSCI concentration and be inversely proportional to temperature increase.