Q. What is Corrosion inhibitors?
Corrosion inhibitors are chemical substances that when added in small concentrations, stop or decrease the corrosion or reaction of metalwith the environment. It generally functions by one or more of the below mechanisms:
(i) It can alter the external environmental conditions by taking away or inactivating an aggressive agent
(ii) It can adhere to form a film on the surface of the metal
(iii) It brings about formation of corrosion products.