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The integration of liquid chromatogram and the principle of spectrum processing are similar to those of gas chromatography, so I will not repeat them
Figure 2-41 The liquid chromatographic column is not in place
Figure 2-42 The chromatographic flow path system (including derivatization and detection system) is abnormal
When using post-column derivatization to detect carbamate pesticides, various conditions need to be carefully controlled to get a good peak shape
Figure 2-43 The post-column derivatization spectrum of carbamate shows