<正>定量测定了21种苏里南商用木材的灰分及二氧化硅含量。结果表明:铁线子、双柱苏木、上位独蕊木、圭亚那双柱苏木等树种的硅含量较高,分别为0.934%,0.759%,0.740%和0.698%;孪叶苏木、尾状绿心樟、红色绿心樟等树种的硅含量较低,分别为0.026%,0.035%,0.040%;蚁木及小花马蒂奥豆等树种的硅含量则分别为0.006%,0.007%。

The ash and silica content of 21 species of commercial woods of Surinam have been quantitatively determined.The results show that the silica contents of Manilkara sp.,Dicorynia sp.,Qualea sp.and D.guianensis are comparatively high,which are 0.934%,0.759%,0.740%,0.698% respectively;the silica contents of Hymenaea sp.,Ocotea caudata and O.rubra are comparatively low,which are 0.026%,0.035%,0.040% respectively;the silica contents of Tabebuia sp.and Martiodendron parvilorum are the lowest,which are 0.006%,0.007% respectively.