Production and Certification of Sulfur in Diesel Reference Material

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Sulfur compounds are present in nearly all petrochemical products, and analysis of the total sulfur content is a major part of quality control processes in petrochemical laboratories. Sulfur emission from the burning of fuels is one of the prominent sources of environmental pollution. Directive 2003/17/EC of the European Parliament and of the European Council reduces the upper limit of sulfur content in gasoline and diesel to 10 mg/kg  by January 2005. Laboratories need to check the accuracy of their measurements for quality control purposes. There are several certified reference materials (CRMs) which are used for quality control, available in the market. Considering the frequency of use and short storage time of these types of CRMs, fast and easy supply of the material is important for petrochemical laboratories in Turkey.