The profile of metal ions in Masson pinewood is researched by means of SEM EDAX and atomic absorption spectrometer. The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied.

• 用扫描电镜 能谱仪 (SEM EDAX)及原子吸收光谱仪研究了马尾松的金属离子分布及马尾松硫酸盐 蒽醌 (KP AQ)法未漂浆中金属离子的分布及滞留性能。