TAPPI T 280 pm-99 provides a laboratory procedure for measuring acetone-soluble, nonvolatile material in wood and pulp. The method covers required apparatus, acetone reagent specifications, sampling and specimen preparation, Soxhlet extraction, safety precautions, blank correction, calculation, reporting, and precision information. It is intended for technical professionals evaluating resin acids, fatty acids, sterols, waxes, hydrocarbons, and related extractives in wood and pulp samples.
Application Scope: Wood analysis, pulp testing, extractives determination, laboratory quality control, and research involving acetone-soluble materials.