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【摘 要】
：
使用切面流超滤方法,将Pahokee泥炭中分离出的腐殖酸分为具有不同相对分子质量的8个级分(UF1:＜1 k;UF2:1～3 k;UF3:3～5 k;UF4:5～10 k;UF5:10～30 k;UF6:30～50 k;UF7:50～100k:UF8:＞300k)
【机 构】
：
中国科学院广州地球化学研究所,同济大学,土木与环境工程系
【出 处】
：
环境科学学报
【发表日期】
：
2004年期
【基金项目】
：
国家自然科学基金;
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