figure 11.23 GC-ECD chromatogram of a ground water sample from a measuring point of a former ammunition plant in Mecklenburg-Vorpommern after enrichment of 100 ml water, followed by derivatization; peak identification: l, 3NA (1.4); 2, 2,6-dinitrotoluene; 3, 2A6NT (I.S); 4, 4A2NT, (1.3); 5, 2A4NT (9.1); 6, 3,5DNA (12); 7, 4A2,6DNT (85); 8, 2A4,6DNT (71); 9, 2,4DANT (9.9); 10, 2,6 DANT (3.9). Concentrations of analytes in ptg/l given in parentheses. (From Less, M., Schmidt, T. C., Haas, R., von Low, E. and Stork, G., J. Chromatogr., 810, 173-182, 1998.)
Examples of environmental analysis of amines in waste are shown in Table 11.19.
A good example of the samples discussed in Table 11.19 is the chromatogram of a water sample from a groundwater measuring point shown in Figure 11.23. The developed SPE procedure was applied to real samples from a disposal, a gas plant, and farmer ammunition plants in Stadtallendorf and Mecklenburg-Vorpommern. The eluates were derivatized and analyzed by GC-ECD. Satisfactory separations of AAs identified in groundwater of the ammunition plant were obtained.
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