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Understanding Fourier Transform Infrared (FTIR) Spectroscopy

Understanding Fourier Transform Infrared (FTIR) Spectroscopy
Understanding Fourier Transform Infrared (FTIR) Spectroscopy Fourier Transform Infrared (FTIR) spectroscopy measures additive depletion, contaminant buildup, and base stock degradation in lubricants. This type of analysis complements wear metal and other analyses. The principle of the test is that an infrared absorbance spectrum is acquired by passing an infrared beam through a thin layer of…
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Sources of Zinc

Sources of Zinc
Sources of Zinc Zinc is an additive metal found in all anti-wear (AW) additive packages. Only when the zinc level deviates more than 25% from the new oil or reference value should a concern be raised, but the likeliest cause is mixing or topping off with a different product. The zinc level in AW oils…
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Sources of Phosphorus

Sources of Phosphorus
Sources of Phosphorus Phosphorus is an additive metal found in all anti-wear (AW) and extreme pressure (EP) additive packages. Only when the phosphorus level deviates more than 25% from the new oil or reference value should a concern be raised, but the likeliest cause is mixing or topping-off with a different product. AW oils can…
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Sources of Magnesium

Sources of Magnesium
Sources of Magnesium Magnesium is an additive metal commonly used in detergent additives. Only when the magnesium level deviates more than 25% from the new oil or reference value should a concern be raised, but the likeliest cause if mixing or topping-off with a different product. With normal and expected additive depletion due to usage,…
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Sources of Calcium

Sources of Calcium
Sources of Calcium Calcium is an additive metal commonly used in detergent additives. Only when the calcium level deviates more than 25% from the new oil or reference value should a concern be raised, but the likeliest cause is mixing or topping off with a different product. With normal and expected additive depletion due to…
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Understanding Particle Counting Methods

Understanding Particle Counting Methods
Understanding Particle Counting Methods Particle counting is considered by many to be one of the most important test for used oil analysis. Many problems can be quickly and easily identified by monitoring the number and size-distribution of particles in an oil sample. The ISO Code is the most common unit of reporting the number of…
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