Abstract
This project is funded by the China government to develop the industrialization process of pesticide residue grade n-hexane, in which the industrial n-Hexane is used as crude purified by decoloration, distillation and filtration process. The products are validated by National Research Center for Environmental Analysis and Measurement (CNEAC), National Research Center for Geoanalysis, Chinese Academy of Inspection and Quarantine (CAIQ), Chinese Academy of Agricultural Sciences (CAAS) and other government originations for polychlorinated biphenyls, organochlorine pesticide or chiral pesticides analysis and further confirmed that it’s competitive to all others imported n-Hexane currently occupied in China. This patented technique will meet pesticide residue grade n-Hexane market in China and seek for cooperation globally.
Highlights
High purity organic solvents such as pesticide residue grade solvents play very crucial roles in scientific research field including chromatographic analysis, spectrum analysis, pesticide residue detection, mass spectrometry analysis, organic synthesis, combinatorial chemistry, DNA and RNA synthesis etc
The industrial grade n-Hexane crude decolorated was firstly pumped into the 1st distillation tower, in which those light impurities were separated, and the remains at the bottom were pumped again into the 2nd distillation tower, in which those heavy impurities were switched at the bottom, the product can be collected on the top of the 2nd tower, the product can be online monitored by a online Gas chromatography-electron capture detector (GC/ECD)
Industrial n-hexane contain many impurities, whose purity is still up to 96%, after it is injected to Gas chromatography-mass spectrometry (GC/MS), the n-Hexane cannot be detected by MS, or the MS will be damaged by n-Hexane solvent, it is hard to analysis those impurities peak because of ultra high main solvent peak
Summary
High purity organic solvents such as pesticide residue grade solvents play very crucial roles in scientific research field including chromatographic analysis, spectrum analysis, pesticide residue detection, mass spectrometry analysis, organic synthesis, combinatorial chemistry, DNA and RNA synthesis etc.
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