Pure helium gas was applied to wood particles which were placed in a vessel.Aldehyde was collected by a 2.4-DNPH cartridge and analyzed by HPLC.

• 利用高效液相色谱仪和气相色谱仪分析4种木材(杉木、杨木、马尾松和尾叶桉)中有机挥发物的成分及含量,结果表明:4种木材生材常温均可释放多种醛和萜烯挥发物,其中乙醛的释放量最高;