液质联用法测定水产品中孔雀石绿和无色孔雀石绿的残留量
Release Time:2019-03-11 Hits:
Indexed by: Journal Article
Date of Publication: 2013-02-15
Journal: 现代科学仪器
Included Journals: ISTIC
Issue: 1
Page Number: 143-145,148
ISSN: 1003-8892
Key Words: 水产品;孔雀石绿;无色孔雀石绿;液质联用仪
Abstract: 优化了液相色谱-串联质谱法测定水产品中孔雀石绿和无色孔雀石绿残留量的检测方法.样品经匀浆、萃取、净化和浓缩后,用2mL的乙腈-5mmol/L乙酸铵溶液(1+1)定容,采用液相色谱-三重四级杆串联质谱仪、多反应监测扫描模式(MRM)检测和同位素内标法定量.孔雀石绿和无色孔雀石绿检测的线性范围为0.25～10.0ng/mL,检出限均为0.50μg/kg.在加标量为2.50μg/kg时,样品加标平均回收率分别为98.1％和93.4％,相对标准偏差(RSD)小于10％,满足水产品中孔雀石绿和无色孔雀石绿残留量的检测要求.
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