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.

Total acid number (TAN) describes the quantity of potassium hydroxide needed for neutralizing free acids, free anhydride groups, and all carboxyl-terminated groups of an unsaturated polyester resin ...

Only a slight difference not reaching the significance was observed in the fat cell number. Attending to the fatty acid composition of the three adipose tissue regions It is important to highlight ...

To ensure batch-to-batch uniformity, the acid number of polyol raw material is typically utilized in quality control. In addition, it is employed as a correction factor for determining the true ...

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.