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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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Sources of Silver

Sources of Silver
Sources of Silver Silver is a wear metal used as an overlay on some bearings, such as journal bearing for gas turbines or wrist pin bearings on EMD locomotive engines. Silver from these parts will increase disproportionately with iron. Zinc additized oils will accelerate the corrosion of silver in these applications, therefore the use of…
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Sources of Copper

Sources of Copper
Sources of Copper Copper usually appears in fluid samples as a wear metal, most often arising from brass or bronze components. Whether gears, bearing cages, guides, bushings, or piston shoes, brass and bronze parts are alloys of copper lead, tin, and/or zinc. Being an alloy, the wear metals from these parts will remain proportional as…
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Antioxidants Found In Turbine Oils

Antioxidants Found In Turbine Oils
Antioxidants Found In Turbine Oils Each turbine oil has a unique formulation with regards to antioxidants, both in the type of antioxidants that are present and the amounts. Some turbine oils have only phenolic antioxidants, some have only amine antioxidants, and some have both amines and phenols. In each case, the lubricant manufacturer has tried…
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