Standard Test Method for Condition Monitoring of Phosphate Antiwear Additives in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry.

Get more information about the standard at ASTM D7412-22.

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Oil Condition Monitoring

The FTIR spectral lubricant analyzer.

ASTM D7412 is a standard test method for monitoring the condition of phosphate antiwear additives in in-service petroleum and hydrocarbon-based lubricants. Utilizing Fourier Transform Infrared (FT-IR) spectrometry, this method enables the detection of additive depletion, which can indicate unusual wear or severe operating conditions in machinery.

Details

The ASTM D7412 test method employs FT-IR spectrometry to monitor the depletion of phosphate antiwear additives like zinc dialkyldithiophosphates, trialkyl phosphates, and triaryl phosphates. This approach provides a rapid and straightforward assessment of additive levels, aiding in diagnosing the operational condition of machinery.

Industries and Applications

ASTM D7412 is significant in various industries and applications, including:

Automotive industry: Engine manufacturers and service centers utilize this method to assess the condition of engine oils, ensuring that antiwear additives are at optimal levels to protect engine components from wear and tear
Industrial machinery: Operators of heavy machinery and hydraulic systems apply this standard to monitor hydraulic oils, detecting additive depletion that could lead to equipment malfunctions or downtime
Aviation sector: Aviation maintenance teams employ this test method to evaluate turbine and hydraulic fluids, maintaining the reliability and safety of aircraft systems
Marine industry: Shipping companies and marine engineers use this standard to monitor lubricants in ship engines and auxiliary machinery, ensuring efficient operation and preventing costly repairs
Oil analysis laboratories: Specialized laboratories offering oil condition monitoring services implement this method to provide clients with accurate assessments of lubricant health and machinery condition