Measurement and Testing

  • Cost Calculator Developed to Highlight Savings Achieved by Using New ASTM Method D8045

Cost Calculator Developed to Highlight Savings Achieved by Using New ASTM Method D8045

Dec 20 2016 Read 1275 Times

Metrohm is proud to announce the release of a new calculator that helps refineries define their cost savings when using a new method developed by the ASTM. Recently published method D8045 utilises thermometric titration for Acid Number (AN) determination in crude oil and petroleum products. Acid Number is an important quality parameter and is used to determine a refining value for crude oil.

Compared to the traditional and well-known ASTM method D664, which utilises potentiometric titration for Acid Number determination in crude oil, laboratories that run D8045 save by lowering the amount of solvent required. A laboratory that runs just 25 crude oil samples per day will save an average of over $30,000 per year in solvent costs. The calculator is customisable by adjusting sample and solvent cost values for each laboratory and can be accessed by visiting

In addition to these significant cost savings, D8045 is also much faster than D664, completing the analysis in 1 minute as opposed to 3 minutes for D664. Sensor conditioning or maintenance are not required. 

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