Over the last 25 years, many new ASTM Standards using the Rubber Process Analyzer have been developed in ASTM International, accepted as new test standards, published, and used extensively all over ...

Metrohm is proud to announce that a method developed using the 859 Titrotherm titrator has been released by the ASTM for the determination of Acid Number (AN) in crude oil and petroleum products.

Acid number determination plays a central role in petroleum quality control. This method is used to estimate the amount of additive depletion, oxidation and acidic contamination in petroleum products.

Discounted opportunity crude oils could radically enhance refinery operating margins and bring a considerable increase in profitability to the overall refining industry. Refineries can reduce their ...