3 years ago

Determination of phthalate esters in air with thermal desorption technique – Advantages and disadvantages

Determination of phthalate esters in air with thermal desorption technique – Advantages and disadvantages
Phthalate esters are widely used in production of polymer materials (approximately five millions tones annually), therefore they occur in final products (food packages, cosmetics, vinyl products) and undergo emission into the environment. Phthalates have a negative impact on living organisms (e.g. disturbing function of endocrine/reproductive systems) and some of them are restricted (REACH, U.S. CPSC). Investigating their occurrence in the environment, especially indoor/outdoor air, is very important. After several improvements in recent years (e.g. heating/cooling efficiency), sorption of analytes on sorbent followed by thermal desorption (TD) and GC–MS seems to be the best suited protocol to determine phthalates in air samples. It is a straightforward technique, without dilution of samples and use of toxic solvents. However, it cannot be applied to compounds which are thermally unstable and have a low vapor pressure. Overall, TD it is one of the best available technique for desorption of phthalates from a sorbent.

Publisher URL: www.sciencedirect.com/science

DOI: S0165993616304228

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