饮用水中3种一氯酚异构体的液相色谱-质谱联用法测定研究

被引：24

作者：

金米聪 ^{[1
]}

马建明 ^{[2
]}

陈晓红 ^{[1
]}

李小平 ^{[1
]}

陈衡平 ^{[1
]}

机构：

[1] 浙江省宁波市疾病预防控制中心

[2] 浙江省慈溪市疾病预防控制中心

来源：

中国卫生检验杂志 | 2006年 / 05期

关键词：

高效液相色谱-质谱联用法; 2-氯酚; 3-氯酚; 4-氯酚; 饮用水;

D O I：

暂无

中图分类号：

R123.1 [水的卫生标准和水的卫生监测];

学科分类号：

100402 ;

摘要：

目的:建立一种能同时测定饮用水中2-氯酚、3-氯酚和4-氯酚的检测方法。方法:水样经Oasis(HLB固相萃取小柱富集、净化后,在C8柱(250 mm×4.0 mm×5μm)上,以乙酸-乙酸铵缓冲溶液(5 mmol/L,pH=4.5)/乙腈/甲醇(65:28:7)为流动相,采用大气压化学电离(APC I)离子化方式在选择离子监测(SIM)模式下进行检测,定量检测离子为m/:z 127[M-H]-。结果:2-氯酚、3-氯酚和4-氯酚的日内与日间精密度分别小于9.3%和10.9%,它们在0.05～5.00μg/L范围均具有良好的线性,水样中它们的最低定量检出限分别为0.05、0.02和0.02μg/L。结论:本方法可用于饮用水中痕量一氯酚的测定。

引用

页码：519 / 521

页数：3

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