Acid number determination as per ASTM D664

6:24 AM, 2nd February 2021

Acid number according to ASTM D664 is one of the most often analyzed parameters in the petroleum industry. Obtaining reliable results for this titration can be a challenge. Two free videos explain possible causes for bad acid number repeatability and reproducibility and what can be done to improve results.Acid number determination as per ASTM D664 is stipulated in many specifications for petroleum products. To obtain reproducible results with this titration can be challenging, leading in the worst case to out-of-spec results, ultimately resulting in revenue loss.


Metrohm AG


9100 Herisau


Tel: +41 71 353 8585


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