Isolation and analysis of lignin-derived phenols in aquatic humic substances: improvements on the procedures

被引：22

作者：

Standley, LJ ^{[1
]}

Kaplan, LA ^{[1
]}

机构：

[1] Acad Nat Sci Philadelphia, Stroud Water Res Ctr, Avondale, PA 19311 USA

来源：

ORGANIC GEOCHEMISTRY | 1998年 / 28卷 / 11期

基金：

美国国家科学基金会;

关键词：

aquatic humic substances; lignin; stream water; groundwater; analytical method;

D O I：

10.1016/S0146-6380(98)00041-2

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Procedures for the extraction of aquatic humic substances and analysis of their lignin-derived phenols were assessed and altered to simplify and shorten XAD-8 resin cleaning, reduce losses due to sorption, and optimize oxidative release of phenols without increasing their transformation. The revised cleaning procedures require 5 rather than 120 h and sorptive losses of humic acids were reduced 7%. Coefficients of variation for individual phenols in the final method ranged from 1 to 11%. The method was used to analyze lignin-derived phenols in White Clay Creek watershed humics, Suwannee River humics (IHSS), and Lake Washington sediments. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：689 / 697

页数：9

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