ICS67.080C53DB37山东省地方标准DB37/T3534—2019水中11种除草剂及代谢物残留量的测定液相色谱-质谱/质谱法Determinationof11herbicidesandmetabolitesresiduesinwaterLiquidchromatography-massspectrometry2019-03-21发布2019-04-21实施山东省市场监督管理局发布DB37/T3534—2019I目次前言................................................................................II1范围...............................................................................12规范性引用文件.....................................................................13原理...............................................................................14试剂与材料.........................................................................14.1试剂...........................................................................14.2溶液配制.......................................................................14.3标准品.........................................................................14.4标准溶液配制...................................................................14.5材料...........................................................................25仪器和设备.........................................................................26试样制备...........................................................................27分析步骤...........................................................................27.1提取和净化.....................................................................27.2定容...........................................................................27.3测定...........................................................................27.4平行试验.......................................................................37.5空白试验.......................................................................38结果计算...........................................................................39精密度.............................................................................410定量限和回收率.....................................
