Abstract
Crude oil and natural gas may contain traces of mercury depending on the origin. Mercury contamination of oil feedstocks may cause problems in both upstream and downstream operations. Mercury also has toxic effects on human health. Therefore, mercury should be removed from oil and natural gas products at the production facility before shipping. Identification of the mercury species in hydrocarbons is very important for effective removal from oil and gas. Mercury species analysis was investigated using GC-ICP-MS. Metallic mercury analysis used various sample injection procedures for GC. Ionic mercury analysis compared Grignard (butylmagnesium chloride) with sodium tetraphenylborate agents for the derivatization technique and confirmed that both reagents provided good results. The present study optimized mercury species analysis for liquid hydrocarbons using GC-ICP-MS.
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