Transfer of Organochlorine Pesticide Residues during Household and Industrial Processing of Ginseng

Table 1

Parameters for the determination of five pesticides by GC-MS/MS.

Tandem MS detection
Ionisation mode			EI
Electron energy			70 eV
SIM width			0.7 amu
Transfer line temperature			280°C
Ion source temperature			230°C
Collision gas			Ar (99.999%)
CID pressure			2.0 mTorr
Pesticide	Retention time (RT, min)	Qualification ions	Quantification ions
		[Q1 ⟶ Q3 (CE), m/z ⟶ m/z (V)]
α-BHC	10.85	219 ⟶ 181 (10)	181 ⟶ 145 (15)
Hexachlorobenzene (HCB)	11.54	284 ⟶ 249 (30)	284 ⟶ 214 (35)
Pentachloronitrobenzene (PCNB)	11.68	237 ⟶ 143 (25)	295 ⟶ 237 (20)
γ-BHC	11.86	183 ⟶ 147 (15)	181 ⟶ 145 (15)
δ-BHC	12.85	217 ⟶ 145 (15)	181 ⟶ 145 (15)