Extraction of Total Petroleum Hydrocarbons (TPH) from Soil Using Supercritical Fluids

SCF 502 Method The Extraction of PCBs from River Sediment Place 0.5g of soil/sediment into a 1mL extraction vessel and add 100µL of methanol. Extract sample at specified conditions. Extraction Conditions Extraction vessel: Sample: Pressure: Temperature: CO2 Flow Rate: Collection:…

SCF 503 Fat Extraction from Chocolate Products Introduction Gravimetric fat determinations in the chocolate industry are normally performed using a soxhlet apparatus with petroleum ether. In addition, specialized equipment and methods have been developed to determine fat content in a…

SCF 511 Extraction of PAHs from Soil Using Supercritical Fluids Introduction Supercritical CO2 alone easily dissolves polyaromatic hydrocarbons (PAHs) from spiked matrices, but not from weathered, aged samples. The addition of a small amount of co-solvent is necessary to displace…

SCF 524 The AOAC Method 2003.03 has been used to extract carbofuran, diazinon, vinclozolin, chlorpyrifos, and endosulfan sulfate from apples. It has also been used to extract trifluralin, dacthal, quintozene, and chlorpyrifos in green beans, and atrazine, metalaxyl, parathionmethyl, chlorpyrifos,…