EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM D7624 testing. This test method covers the monitoring of nitration in gasoline and natural gas engine oils, as well as nitration in other types of lubricants where nitration by-products may form due to the combustion process or other formation pathways of nitration compounds.
This test method uses FT-IR spectroscopy to monitor the deposition of nitration byproducts in in-service petroleum and hydrocarbon-based lubricants as a result of normal machine operation. Nitration levels in gasoline and natural gas engine oils rise as combustion byproducts react with the oil due to exhaust gas recirculation or a leak. This test method is designed as a fast, simple spectroscopic check for nitration monitoring in in-service petroleum and hydrocarbon-based lubricants to help diagnose machine operating condition based on measuring the nitration level in the oil.
Obtaining FT-IR spectral data to measure nitration in in-use oil and lubricant samples is described in Application D7418. This test method presents measurement and data interpretation parameters for nitration using both direct trend analysis and differential (spectral subtraction) trend analysis.
It is not the intent of this test method to establish or recommend normal, warning, warning, or alarm limits for any machine. These limits should be established with advice and guidance from the machine manufacturer and maintenance group.
This test method is for petroleum and hydrocarbon-based lubricants and does not apply to ester-based oils, including polyol esters or phosphate esters.
Values stated in SI units will be accepted as standard. No other units of measurement are included in this standard.
This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health and environmental practices and to determine the applicability of regulatory restrictions prior to use.
EUROLAB assists manufacturers with ASTM D7624 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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