Journal
WATER RESEARCH
Volume 36, Issue 19, Pages 4893-4901Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0043-1354(02)00201-4
Keywords
PET; degradation; migration; formaldehyde; acetaldehyde; acetone
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Poly(ethylene terephtalate) (PET) bottles are commonly used for storing mineral water. The migration of carbonyl compounds from PET bottles into mineral water was observed. Carbonation of water, sunlight and high temperature enhance the process of migration. Formaldehyde, acetaldehyde and acetone were the most important carbonyls identified in series of bottled water samples. The concentration of carbonyls can change depending on the time of storage as well as storage conditions. It was identified particularly high concentration of acetaldehyde (more than 100 mug 1(-1)) in samples of mineral water saturated with CO2 gas. (C) 2002 Elsevier Science Ltd. All rights reserved.
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