automated analyzer for rapid analysis of the acetaldehydgehaltes of pet products, especially in earlier stages, and the corresponding operational process

摘要

This analyzer for extracting acetaldehyde and automatically determining its content, particularly in PET preform samples, comprises in combination: a) a desorption cell ( 1 ) into which said sample is inserted; b) an analysis chamber with a separation column ( 16 ) optimized for acetaldehyde separation; c) a complex of valves for manipulating the fluids within the system; d) a detection system; e) data processing and control means; f) a temperature-controlled casing housing the aforesaid components.