Determination of Residual Volatile Hydrocarbons in Polyethylene Powder Silo
Use HP6890 gas chromatograph and HP7694 headspace instrument to compare the statutory with the standard sample, and use the peak area external standard method to quantify. Put the polyethylene resin (PE) sample into a sealed container, when the resin in the container and the upper space When the balance between the hydrocarbons is established, the resin index and density are measured, and then the residual volatile hydrocarbon content of PE emitted into the environment within a specified time is measured.