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Leaching of lead and cadmium from glass dinnerware.
Article Dans Anglais | IMSEAR | ID: sea-114131
ABSTRACT
Heavy metals like lead and cadmium were found to leach out from food contact surface of opal glass dinnerware when treated with five food acids as a leaching solution. The leachates used were acetic acid, tartaric acid, citric acid, lactic acid and ascorbic acid at three different concentrations 2%, 4%, and 8% (v/v). At room temperature, duration of leaching varied from 1h to 24h in each case. The amount of metals leached in individual acid was found to be maximum at the 4% acid concentration. Release of Pb and Cd was faster in first 2h leaching period. Maximum amount of Pb and Cd were leached in 4% acetic acid at room temperature.
Sujets)
Texte intégral: Disponible Indice: IMSEAR (Asie du Sud-Est) Sujet Principal: Cadmium / Acides carboxyliques / Contamination des aliments / Surveillance de l'environnement / Sécurité des produits de consommation / Polluants environnementaux / Verre / Articles ménagers / Plomb langue: Anglais Année: 2007 Type: Article

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Texte intégral: Disponible Indice: IMSEAR (Asie du Sud-Est) Sujet Principal: Cadmium / Acides carboxyliques / Contamination des aliments / Surveillance de l'environnement / Sécurité des produits de consommation / Polluants environnementaux / Verre / Articles ménagers / Plomb langue: Anglais Année: 2007 Type: Article