Table 4. Validation results of the multi-residue method for the determination of mebendazole in pork, chicken, and horse muscles.

	Analyte	Internal standard	Spiking level, μg/kg			Recovery, %			Repeatability, CV, %			Within-laboratory reproducibility, CV, %			CCα	CCβ
			Ⅰ	Ⅱ	Ⅲ
Pork	MEB	HMEB-D3	15	30	60	101.28	94.08	91.06	4.46	3.43	11.23	5.24	5.75	10.38	16.43	17.96
	RMEB					99.33	93.81	91.06	5.59	4.82	10.52	6.85	6.93	10.72
	HMEB					97.36	91.44	88.35	4.32	4.55	11.02	6.67	7.41	10.44
	∑MEB					99.32	93.11	90.16	4.79	4.27	10.92	6.64	5.73	6.16
Chicken	MEB	HMEB-D3	15	30	60	93.86	89.85	91.03	6.41	6.35	5.22	8.80	5.49	6.95	15.84	17.94
	RMEB					91.00	91.63	93.91	6.72	5.43	5.73	8.81	6.18	7.51
	HMEB					89.81	90.86	94.53	8.90	3.50	6.46	9.89	4.56	8.87
	∑MEB					91.56	90.78	93.16	7.35	5.09	5.80	6.63	4.27	5.78
Horse	MEB	HMEB-D3	15	30	60	96.42	100.25	94.56	7.65	9.94	8.18	6.80	8.39	9.68	15.97	17.60
	RMEB					90.56	88.90	86.30	4.95	5.94	9.43	8.27	10.45	10.42
	HMEB					100.03	96.63	95.23	5.86	8.52	10.06	5.71	8.65	10.17
	∑MEB					95.67	95.26	92.03	6.15	8.13	9.23	5.68	7.89	5.72