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Cut solvent use by 50% with the Revised ASTM D664 for TAN/TBN in petrochemical samples

September 24, 2018

The determination of the acid number plays a significant role in the analysis of petroleum products. This is manifested in the numerous standard procedures in use over the world (ASTM, DIN, IP, ISO, etc.). These procedures differ mainly in the composition of the used solvents and titrants.

In collaboration with the ASTM, Metrohm has revised and developed a new version of ASTM D664 for the potentiometric determination of TAN/TBN. This version allows you to

Reduce the required amount of solvent from 125 ml to 60 ml
Save costs and reduce waste
Significantly improve the accuracy and reproducibility of results

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