Rapid Residue Analysis of Phthalanilic Acid in Cereals and Oilseed Rape by High-Performance Liquid Chromatography Coupled to Tandem Mass Spectrometry

Figure 2

LC-MS/MS chromatograms of (a) acetonitrile solvent, (b) blank rapeseed sample, (c) phthalanilic acid standard solution (0.01 mg L⁻¹), (d) spiked rapeseeds sample (0.02 mg kg⁻¹), (e) blank wheat grains sample, (f) spiked wheat grains sample (0.01 mg kg⁻¹), (g) blank wheat straw sample, (h) spiked wheat straw sample (0.05 mg kg⁻¹), (i) blank corn sample, (j) spiked corn sample (0.01 mg kg⁻¹), (k) blank rice sample, (l) spiked rice sample (0.01 mg kg⁻¹), (m) blank millet sample, and (n) spiked millet sample (0.01 mg kg⁻¹).

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