Validation in laboratory of the analytical method to determine di-(2-ethylhexyl) phthalate and adipate utilized as plasticizers in pvc films

[摘要] The validation of analytical methods was carried out for di–(ethylhexyl) phthalate (DEHP) and adipate (DEHA) the determination of in PVC films. The level of DEHP and DEHA in samples was determined by leaving the film in contact with n-heptane during 48 hours and analysis in a gas chromatograph (GC) equipped with a flame ionization detector and fused silica column with 5% phenylmethyl silicone in the dimensions 30 m x 0.53 mm x 2.65 mm. The results for detection and the quantification limits were smaller than the restriction limits. The recovery rates of DEHP and DEHA were, respectively, 69.10 and 75.30 %.

[学科分类] 化学（综合）

[关键词] di-(2-ethyehexyl) phthalate;di-(2-ethyehexyl) adipate;PVC film.