Rapid Screening and Quantitative Analysis of 74 Pesticide Residues in Herb by Retention Index Combined with GC-QQQ-MS/MS

Table 2

Results of the predicted retention times and the actual measured retention times.

Number	Pesticide name	Retention index from the database	Predicted retention time (min)	Actual measured retention index	Actual measured retention time (min)	Time deviation value (min)
1	Dichlorvos	1248	6.023	1244	6.017	0.006
2	Tecnazene	1595	9.618	1597	9.621	0.003
3	Diphenylamine	1631	10.007	1592	10.001	0.006
4	Chlordimeform	1660	10.319	1661	10.323	0.004
5	Trifluralin	1666	10.384	1666	10.380	0.004
6	α-BHC	1705	10.803	1707	10.820	0.017
7	Hexachlorobenzene	1710	10.856	1709	10.843	0.013
8	Pentachloroanisole	1723	10.993	1725	11.009	0.016
9	Dicloran	1731	11.077	1731	11.081	0.004
10	β-BHC	1755	11.329	1755	11.328	0.001
11	Quintozene	1759	11.371	1763	11.373	0.002
12	Lindane	1769	11.476	1755	11.468	0.008
13	Terbufos	1778	11.571	1778	11.571	0.000
14	Chlorothalonil	1803	11.833	1803	11.835	0.002
15	Tefluthrin	1819	11.996	1818	11.982	0.014
16	δ-BHC	1825	12.057	1825	12.055	0.002
17	Pentachloraniline	1855	12.363	1858	12.378	0.015
18	Chlorpyrifos-methyl	1882	12.638	1883	12.653	0.015
19	Vinclozolin	1891	12.730	1857	12.712	0.018
20	Parathion-methyl	1896	12.781	1895	12.770	0.011
21	Heptachlor	1909	12.910	1915	12.927	0.017
22	Fenchlorphos	1916	12.979	1918	12.995	0.016
23	Octachlorodipropylether	1932	13.136	1932	13.140	0.004
24	Fenitrothion	1946	13.273	1945	13.267	0.006
25	Methyl-pentachlorophenyl sulfide	1954	13.351	1957	13.365	0.014
26	Dichlofluanid	1959	13.400	1960	13.410	0.010
27	Chlorpyrifos	1977	13.577	1978	13.583	0.006
28	Aldrin	1981	13.601	1964	13.595	0.006
29	Fenthion-d6	1982	13.626	1981	13.616	0.010
30	Chlorthal-dimethyl	1986	13.665	1988	13.677	0.012
31	Parathion-ethyl	1993	13.734	1993	13.730	0.004
32	Triadimefon	1999	13.793	1999	13.793	0.000
33	Dicofol	2008	13.878	2009	13.889	0.011
34	Butralin	2012	13.935	2014	13.938	0.003
35	Bromophos-methyl	2021	14.012	2023	14.018	0.006
36	Pendimethalin	2044	14.227	2046	14.232	0.005
37	Fipronil	2055	14.321	2054	14.314	0.007
38	Heptachlor exo-epoxide	2061	14.397	2067	14.401	0.004
39	Chlordane-oxy	2061	14.398	2067	14.409	0.011
40	Heptachlor endo-epoxide	2069	14.453	2075	14.468	0.015
41	Dimepiperate	2086	14.613	2087	14.622	0.009
42	Procymidone	2086	14.613	2086	14.617	0.004
43	Triadimenol-1	2087	14.622	2086	14.617	0.005
44	Triadimenol-2	2103	14.772	2103	14.768	0.004
45	Bromophos-ethyl	2106	14.799	2109	14.812	0.013
46	Chlordane-trans	2110	14.835	2108	14.817	0.018
47	o, p’-DDE	2116	14.889	2120	14.905	0.016
48	Flumetralin	2127	14.989	2128	14.994	0.005
49	Chlordane-cis	2137	15.079	2144	15.081	0.002
50	α-Endosulfan	2139	15.098	2144	15.105	0.007
51	p, p’-DDE	2185	15.514	2188	15.524	0.010
52	Dieldrin	2195	15.604	2175	15.601	0.003
53	o, p’-DDD	2199	15.640	2224	15.655	0.015
54	Chlorfenapyr	2222	15.841	2222	15.837	0.004
55	Nitrofen	2239	15.969	2213	15.965	0.004
56	Endrin	2240	15.997	2247	16.011	0.014
57	β-Endosulfan	2266	16.223	2270	16.239	0.016
58	p, p’-DDD	2276	16.310	2299	16.312	0.002
59	o, p’-DDT	2280	16.345	2259	16.361	0.016
60	Endosulfan sulfate	2351	16.945	2355	16.958	0.013
61	p, p’-DDT	2359	17.032	2364	17.040	0.008
62	Bifenthrin	2469	17.909	2469	17.908	0.001
63	Bromopropylate	2475	17.957	2438	17.951	0.006
64	Methoxychlor	2487	18.043	2460	18.036	0.007
65	Fenpropathrin	2493	18.101	2492	18.096	0.005
66	Phenothrin-1	2526	18.359	2526	18.362	0.003
67	Phenothrin-2	2540	18.467	2541	18.473	0.006
68	Cyhalothrin-1	2573	18.722	2572	18.713	0.009
69	Acrinathrin	2591	18.861	2595	18.871	0.010
70	Cyhalothrin-2	2595	18.892	2595	18.891	0.001
71	Mirex	2610	19.005	2615	19.014	0.009
72	Acrinathrin-2	2619	19.062	2616	19.052	0.010
73	Permethrin-1	2702	19.696	2703	19.701	0.005
74	Permethrin-2	2720	19.821	2721	19.828	0.007
75	Cyfluthrin-1	2777	20.232	2778	20.236	0.004
76	Cyfluthrin-2	2791	20.333	2791	20.334	0.001
77	Cyfluthrin-3	2799	20.390	2800	20.395	0.005
78	Cyfluthrin-4	2806	20.439	2806	20.439	0.000
79	Cypermethrin-1	2823	20.557	2824	20.561	0.004
80	Cypermethrin-2	2838	20.662	2824	20.663	0.001
81	Cypermethrin-3	2845	20.711	2847	20.717	0.006
82	Flucythrinate-1	2847	20.724	2847	20.726	0.002
83	Quizalofop-ethy-l	2848	20.743	2851	20.751	0.008
84	Cypermethrin-4	2852	20.759	2852	20.762	0.003
85	Flucythrinate-2	2875	20.919	2875	20.922	0.003
86	Fenvalerate-1	2951	21.442	2930	21.448	0.006
87	Fenvalerate-2	2981	21.628	2930	21.619	0.009
88	Deltamethrin-1	3031	22.016	3034	22.024	0.008
89	Deltamethrin-2	3060	22.235	3063	22.242	0.007