SPE cartridges are very versatile, and more and more popular. SPE is mostly used to process liquid samples. The semi-volatile and non-volatile compounds are concentrated, extracted and purified. Solid samples also apply.
1. Analysis of residues of various antibiotics and antibacterial drugs in various foods; 2. Analysis of pesticide residues in agricultural products; 3. Analysis of legal and illegal additives in various kinds of food; 4. Pharmacokinetic analysis, pharmacokinetic analysis and TCM analysis; 5. PAHs and PCBs analysis in the environment; 6. Analysis of organic matter in drinking water, groundwater and sewage.