Ion chromatography is a useful analytical technique for obtaining quantitative data with respect to microbiological metabolites on surfaces and in bulk solution. Case histories include anaerobic degradation of nitrite in bulk solution and on steel surfaces, resulting in microbiologically induced corrosion. Aerobic degradation of nitrite in a cooling water system will illustrate the importance of selecting appropriate simulation conditions. Short-chain fatty acids in emulsion coolants are generated by microbiological action, and can contribute to product corrosion. These metabolites are readily measured by anion exclusion chromatography. Anion exclusion can also be utilized in the determination of short-chain fatty acids in oil well production brines.

Subject
Anions, Ions, Nitrites, Coolants, Corrosion detection, Analytical techniques, Acetates, Ion chromatography, Corrosion losses, Fatty acids, Chromatography, Microbiologically influenced corrosion, Samples
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1988
Association for Materials Protection and Performance (AMPP)
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