GC/MS DETERMINATION OF PHTHALATES IN HUMAN SERUM

Selected ion recording (SIR) technique was used in the GC/MS determination of phthalates (DBP and DEHP),present as environmental pollutants in human serum.The serum samples,taken from 103 healthy persons of 49 to 66 years old,living in suburbs of shanghai,were mixed with hexane and centrifuga lized at 10 000 r·min-1 for 8 min.The upper hexane layers in 3 extractions were collected and concentrated to 2 mL.DBP and DEHP in the solution were determined by GC/MS,and their contents were found in the ranges of ND -7.10 mg·L-1 and Nd -6.78 mg·L-1 respectively.Warnings were shown by the results that definite pollution of phthalates happened in the serum samples taken.