气相色谱法测定水产品中氯霉素残留

被引：37

作者：

赵文亚

沈美芳

徐幸莲

吴光红

机构：

[1] 南京农业大学食品科技学院

[2] 江苏省水产质量检测中心

[3] 江苏省水产质量检测中心江苏南京　

[4] 江苏南京　

来源：

水产学报 | 2003年 / 03期

关键词：

水产品; 氯霉素; 气相色谱;

D O I：

暂无

中图分类号：

X835 [生物监测、生态监测];

学科分类号：

0903 ;

摘要：

介绍了水产品中氯霉素残留量测定的气相色谱法。样品中的氯霉素用乙酸乙酯提取,正己烷去脂肪,过Sep-C18柱进行净化,用BSTFA-TMCS衍生后进带有微电子俘获器的气相色谱仪检测。该方法的线性范围为0.5～500μg·L-1,相关系数r=0.999,最低检测限为0.1μg·kg-1,相对标准偏差为4.3%～11.0%,向样品中分别添加1μg·kg-1、10μg·kg-1和20μg·kg-13个浓度水平的氯霉素,回收率分别为62.0%、88.2%和96.4%。方法灵敏度高,准确可靠,适合水产品中氯霉素残留量的检测。

引用

页码：278 / 282

页数：5

共 11 条

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