Paraquat and Diquat Analysis in Tea - An Agilent Bond Elut CBA SPE and LC/MS/MS method

Application Brief Environmental Paraquat, Diquat, and Mepiquat Analysis in Environmental Water An Agilent SampliQ WCX SPE and LC/MS/MS Method Author Xia Yang Agilent Technologies, Inc. Introduction Paraquat, diquat, and mepiquat are quaternary ammonium herbicides commonly used in agriculture. They are…

Application Note Food Testing & Agriculture Quantitation of Paraquat Residue in Milk Using the Agilent 6470 Triple Quadrupole LC/MS Chromatographic separation of paraquat residue from milk matrix using HILIC-Z column chemistry Figure 1. Agilent 1290 Infinity II LC coupled to…

Application Note Food Determination of Fat-Soluble Vitamins in Infant Formula Using Agilent Bond Elut Plexa Polymeric SPE with HPLC and LC/MS/MS Authors Xia Yang and Limian Zhao Agilent Technologies, Inc. Abstract An efficient and robust method was developed and validated…

TECHNICAL NOTE 73990 Determination of four quaternary ammonium polar pesticides in food and beverage samples by tandem IC-MS/MS Authors: John Madden, Charanjit Saini, Chris Pohl, and Yan Liu Thermo Fisher Scientific, Sunnyvale, CA Keywords: IC-MS/MS, quaternary ammonium polar pesticides, cationic…