Qualitative Analysis of Methamidophos by Thin Layer Chromatography and GC-MS
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Abstract
The qualitative analysis method of methamidophos(MAP) was approached. The developers of MAP in Thin Layer Chromatography(TLC) was decided in the experiments, and the chromatogram condition of MAP in Gas Chromatography-Mass Spectrometry(GC-MS) was studied. It is shown that polar solvents must be concluded in the developers such as ethanol, methanol, acetic acid and the developers which fit MAP are chloroform-ethanol, chloroform-methanol-cyclohexane and so on. MAP can be determined accurately by GC-MS and its retention time was 3.48 min, and the spectrum of MAP was consistent with the standard data.
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