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

Table 1

Summary of detection conditions for phthalanilic acid.

Matrix	Chromatographic column	Mobile phase	Purifying agent	Parent ion (m/z)	Product ions (m/z)	Collision energy (eV)	Polarity	Reference
Wheat gains, wheat straw, and rapeseeds	Poroshell 120 EC-C18 (100 mm × 4.6 mm, 2.7 μm)	Acetonitrile/0.1% formic acid aqueous solution	C18 + PSA,	242	94 (quantitation)	3	Positive	—
			C18 + GCB		149	9
Apple	C18	Acetonitrile/0.1% formic acid aqueous solution	PSA	240.1	196 (quantitation)	3	Negative	Li et al
	(100 mm × 2.1 mm, 3.5 µm)				118	15
Soybean, fruits, and vegetables	HSS T3 column (100 mm × 2.1 mm, 1.8 μm)	Methanol/water	GCB, florisil	240	118 (quantitation)	16	Negative	Zhao et al.
					196	14