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What does AN/Acid Number Measure?

What does AN/Acid Number Measure?
Are you 100% sure you know what AN (acid number) measures and what it reveals? Actually A LOT of things! According to Monika Malcolm, Analytical Services Manager for TestOil, “Acid number is measuring acidic components in the oil sample. These can include degradation products such as organic acids, esters, and salts as well as contaminants…
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Oil Analysis Alarming Limits v. Trending Limits

Oil Analysis Alarming Limits v. Trending Limits
CLEVELAND Dec.  28, 2020-- TestOil, the industry leader in lubricant analysis, is one of the major oil analysis labs to use trend analysis in addition to static alarm limits. Static alarm limits (also called absolute limits) are a single unchanging number, while trending (also called linear regression) is a statistical analysis.            Absolute limits can be set…
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WHY NEW OIL DOESN’T ARRIVE CLEAN AND WHAT TO DO ABOUT IT

According to TestOil Field/Data Analyst Matt McMahon, there are many reasons that new oil doesn’t arrive clean, much of it depends on where the contamination occurred—usually during transportation or while in storage. “There are many sources for contamination ingress,” Matt explained. “It could be anything from corrosion in tanks or drums to a core contamination…
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Aftermarket Additives and Oil Analysis

There is a lot that goes into lubricant formulation. It’s a complex process that requires years of expertise. The base oils and additives that comprise each product are carefully balanced to provide excellent performance in specified applications. TestOil Field/Data Analyst Matt McMahon explains, “People occasionally try to compensate for depleted additives by adding aftermarket products…
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How Base Oil Affects Lubricant Performance

How Base Oil Affects Lubricant Performance TestOil’s oil analysts know that a lubricant’s base stock can have a significant impact on performance.  These base stocks range from minimally refined mineral oil to very sophisticated PAOs, some further enhanced with leading-edge catalyst technology. Starting with the fundamentals, there are five basic base stock categories:[1] Group I…
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Best Oil Testing Lab Built On Lean Principles

Best Oil Testing Lab Built On Lean Principles
At TestOil, we are big fans of Six Sigma Lean principles—they affect everything we do, including our lab.  Most recently, Lean strategy was a key factor in our successful navigation of the COVID-19 situation.                     As a designated essential business, we were able to remain fully functional during the critical March-July period. With effective IT…
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