%0 Journal Article %T Ultrasonic-Assisted Magnetic Solid-Phase Dispersive Extraction for Determination of Chlorpyrifos and Triclosan in Wastewater Samples prior to Liquid Chromatography Tandem Mass Spectrometry Detection %A Muckoya, Vallerie A. %A Njobeh, Patrick B. %A Nomngongo, Philiswa N. %A Ngila, Jane C. %J Chromatographia %V 83 %N 3 %P 373-383 %@ 0009-5893 %D 2020-03-06 %I Springer Berlin Heidelberg %~ DeepDyve