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Ammonium benzoate, a white powder-like substance, is the ammonium salt of benzoic acid. [1] This compound is prepared by the reaction of benzoic acid and ammonia.
Petrol additives may increase petrol's octane rating, thus allowing the use of higher compression ratios for greater efficiency and power, or act as corrosion inhibitors or lubricants. Other additives include metal deactivators, oxygenates and antioxidants. Some additives are harmful and are regulated or banned in some countries.
NACE International Standard TM0208 defines volatile corrosion inhibitor (VCI) as a chemical substance that acts to reduce corrosion by a combination of volatilization from a VCI material, vapor transport in the atmosphere of an enclosed environment, and condensation onto surface in the space, including absorption, dissolution, and hydrophobic ...
A corrosion inhibitor or anti-corrosive is a chemical compound added to a liquid or gas to decrease the corrosion rate of a metal that comes into contact with the fluid. [1] The effectiveness of a corrosion inhibitor depends on fluid composition and dynamics .
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HOAT coolants typically mix an OAT with a traditional inhibitor, usually silicates. [32] An example is Zerex G05, which is a low-silicate, phosphate free formula that includes the benzoate inhibitor. [23] A HOAT coolant can have a life expectancy as high as 10 years / 180,000 miles. [32]