FOURIER-TRANSFORM INFRARED (FTIR) SPECTROSCOPY – APPLYING THE CORRECT METHOD FOR YOUR APPLICATION

摘要

Lubricant condition and contamination testing by Fourier-transform infrared (FTIR) analysis has advanced considerably over the past two decades to include miniaturized infrared spectrometers for use as in-line sensors. However misconceptions and misapplications of the technology still prevail, even with the availability of the ASTM Practice E2412 which describes FTIR use for common in-service oils. What FTIR is capabl capablee of and how to choose the correct measurement parameters for your specific fluid application will be discussed.