This standard deals with methods for the determination of the content of organic halogens (chlorine, bromine and iodine) in petroleum products such as gasoline, intermediate fractions and residual fuel oils. The scope of application includes the determination of organic halogens (chlorine, bromine and iodine), Measurement by the content of chlorine. Does not apply to the determination of fluorine in petroleum products. Documents that need to be cited include methods for manual sampling of petroleum liquids, specifications and test methods for water use in analytical laboratories, methods for testing petroleum products, precision data determination, and methods for automatic sampling of petroleum liquid pipelines. In this standard, "organic halogen" refers to halogens bound to organic compounds, including organic compounds of chlorine, bromine and iodine. Residual fuel refers to the residual product after distillation, while distillate fuel refers to the distillation product after distillation.