OPCW Proficiency Test: A Practical Approach Also for Interlaboratory Test on Detection and Identification of Pesticides in Environmental Matrices
Figure 1
(a) and (b) TIC of raw dichloromethane extract from water sample W; (c) Mass spectrum of a minor component at = 14.98 min, probably an impurity of one of analytes; (d) library search results—the studied compound was identified as bis(O-3-methylbutyl) methylphosphonate 1.
