Kuhlalutyo lwe-LC-DS, onke amanyathelo akwamalungiselelo eesampulu kubalulekile, ngakumbi ukhetho kunye nokusetyenziswa kwe-vial caps kunye neSepta. This article systematically covers key preparation techniques, including filtration, protein precipitation, solid phase extraction, liquid–liquid extraction, supported liquid extraction, and derivatization. Ikwacacisa indlela yokukhetha i-Aijiren Slit Pl-Slit Pl-Slit \ /licone Septa, i-Septa esemgangathweni ye-Aluminam ye-Conflow yokuSebenzisa itywina kunye nokuthintela ingqungquthela kunye nongcoliseko. Ngetafile yemveliso yokuthelekisa, abafundi banokuziqonda ngokucacileyo iingenelo kunye neemeko zesicelo zeCAPTA yeCAPTA ,.