Fractionation of dissolved organic matter on the XAD resin

被引：4
|
作者：
A. D. Shapiro
E. I. Karavanova
机构：
[1] Moscow State University,Department of Soil Science
来源：
Moscow University Soil Science Bulletin | 2014年 / 69卷 / 3期
关键词：
dissolved organic matter (DOM); soil solution; soil; hydrophobic and hydrophilic substances; fractionation; XAD resins;
D O I：
10.3103/S0147687414030077
中图分类号：
学科分类号：
摘要：
Analytical fractionation conditions on the resin XAD-7H of organic substances from gravitational soil moisture influence the proportion and the yield of the extracted fractions. Increasing the column capacity factor k’ is accompanied by a decreased yield of hydrophobic fraction and the change in its composition. The sorption column capacity factor of k’ = 30 is sufficient for the extraction of all hydrophobic components from a soil solution with a concentration of CDOM of ∼25 mg/L.
引用
收藏
页码：139 / 145
页数：6
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