Research Article
Rapid Simultaneous Determination of 43 Pesticide Residues in Schizonepeta tenuifolia by Gas Chromatography Mass Spectrometry
Table 3
Experimental program of clean-up.
| | No. | Type of SPEs | Eluant |
| | 1 | Florisil | Hexane : ethyl acetate (85 : 15,v/v) | | 2 | TPT | Acetonitrile : methylbenzene (3 : 1,v/v) | | 3 | Pesticarb/NH2 | Acetonitrile : methylbenzene (3 : 1,v/v) | | 4 | Pesticarb/NH2 | Acetonitrile : methylbenzene (85 : 15,v/v) |
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