OPCW Proficiency Test: A Practical Approach Also for Interlaboratory Test on Detection and Identification of Pesticides in Environmental Matrices
Figure 5
Mass spectra of the TMS derivatives of the spiked chemicals (I and II) in the water sample. They were identified as O-trimethylsilyl-O-3-methylbutyl methylphosphonate 4 (silylated I) and O-trimethylsilyl-O-1,3-dimethylbutyl methylphosphonate 6 (silylated II).
