Improved Test for the Migration of Antimony and Germanium from Polyethylene Terephthalate

Autor:	Sachiko, Kakimoto, Katsuhiko, Ikebe, Shinjiro, Hori
Rok vydání:	2004
Předmět:	Antimony Germanium Polyethylene Terephthalates Spectrophotometry Atomic Food Packaging chemistry.chemical_element General Medicine Solvent chemistry.chemical_compound Acetic acid chemistry Carbon tetrachloride Polyethylene terephthalate Acetic acid solution Test solution Nuclear chemistry
Zdroj:	Journal of the Food Hygienic Society of Japan (Shokuhin Eiseigaku Zasshi). 45:264-269
ISSN:	1882-1006 0015-6426
Popis:	A simple and rapid test has been developed to quantitatively measure the migration of antimony (Sb) and germanium (Ge) from polyethylene terephthalate (PET) products. The PET product was soaked in 4% acetic acid (2 mL/cm2) for 30 min at 60 degrees C and 95 degrees C. The test solution was analyzed by ICP-MS. Recoveries of spiked Sb (0.025 microg/mL) and Ge (0.05 microg/mL) were 101% and 100%, respectively, with relative standard deviations (RSDs) of 2.3% and 1.7%. In ten successive analyses, Sb and Ge in the 4% acetic acid solution were analyzed with RSDs of 1.7% and 2.2%. Sb and Ge were not subject to interference from other elements simultaneously present in the 4% acetic acid solution. This method is simple, rapid and safe, requiring no pretreatment or use of the hazardous solvent carbon tetrachloride. Therefore, this test is a useful method to analyze Sb and Ge migration from PET products.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e43d38df69b789a3e1fab6d40eb446c https://doi.org/10.3358/shokueishi.45.264 Zobrazit plný text záznamu