Analysis of crude oil by HR ICP-OES on PlasmaQuant PQ 9000 - Special Application Note
1. Introduction Impurities in crude oils are of critical importance to the refining industry during the inspection of incoming and outgoing goods. That is, while some elements act as poison to cracking catalysts like Sulfur; other elements are penalty elements in final products and are of environmental concern like Arsenic, Mercury and Cadmium.