Data/hora: 12/06/2024 03:44:14

Provedor de dados: | 52
País: | Brazil
Título: | Lead behavior in soil treated with contaminated sewage sludge and cultivated with maize
Autores: | Barriquelo,Marcilene Ferrari; Juliatti,Marinês Aparecida; Silva,Margarete Soares da; Lenzi,Ervim.
Data: | 2003-12-01
Ano: | 2003
Palavras-chave: | Sewage sludge; Heavy metal; Lead; Environmental pollution.
Resumo: | Lead (Pb) behavior was studied in soil treated twice with sewage sludge contaminated with lead at interval of 18 months. Soil samples received five different treatments: three with lead [0 (reference); 2,500; 5,000 mug g-1] and two with a mixture of lead and cadmium (interferer) (2,500 + 2,500 and 5,000 + 5,000 mug g-1, respectively). Vases containing treated soil were cultivated with maize in a greenhouse for 75 days. Pb was extracted using nitric perchloric digestion and analyzed by atomic absorption spectroscopy. The soil, containing sewage sludge contaminated by lead presented a higher concentration of Pb. The metal concentration remained constant in all treatments at 20-60 cm depth. No absorption of Pb by the plants was detected.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000400002
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/S1516-89132003000400002
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.46 n.4 2003
Fonte: | info:eu-repo/semantics/openAccess