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建设用地土壤中苯胺的气相色谱-质谱法测定方法研究
Author(s) -
前龙 赵,
文祥 马
Publication year - 2020
Publication title -
生态环境与保护
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2630-4740
DOI - 10.32629/eep.v3i7.920
Subject(s) - business , chemistry
对建设用地土壤中苯胺的测定进行了研究,当采用超声波萃取、前处理过程中五水合硫代硫酸钠和氨水的投加剂量为2g和200ul时,获得了较好的方法性能检出限为0.69mg/kg,测定下限为2.76mg/kg,加标回收率>90%,平行样的结果变异系数为2.8%本文对苯胺前处理过程中回收率低等问题进行了分析探讨。

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