Data/hora: 04/06/2024 08:57:42

Biblioteca(s): | Embrapa Solos.
Data corrente: | 10/09/2021
Data da última atualização: | 10/09/2021
Autoria: | LIMA, E. S. A.; AMARAL SOBRINHO, N. M. B. do; PEREZ, D. V.; COUTINHO, I. B.
Afiliação: | ERICA SOUTO ABREU LIMA, UFRRJ; NELSON MOURA BRASIL DO AMARAL SOBRINHO, UFRRJ; DANIEL VIDAL PEREZ, CNPS; IZABELLA BEZERRA COUTINHO, UFRRJ.
Título: | Comparing methods for extracting heavy metals from Histosols for establishing quality reference values.
Ano de publicação: | 2016
Fonte/Imprenta: | Revista Brasileira de Ciência do Solo, v. 40, e0150097, 2016.
DOI: | https://doi.org/10.1590/18069657rbcs20150097
Idioma: | Inglês
Conteúdo: | The diversity of methods for heavy metal extraction from soils complicates comparison of results used by environmental agencies to establish quality reference values. The aim of this study was to evaluate three soil digestion methods regarding the solubilizing capacity of Ba, Cr, Cu, Fe, Mn, Ni, Pb and Zn, and to propose a standard method to establish Quality Reference Values (QRVs) for Brazilian Histosols. Twenty soil samples were selected to evaluate the USEPA 3051, USEPA 3051A and Aqua Regia methods in a closed system. The methods tested were statistically similar regarding Cu, Fe and Mn extraction from soils. However, the methods can not be considered similar for Ba, Cr, Ni, Pb and Zn; Aqua Regia recorded the highest levels, except for Ba. The Aqua Regia method proved suitable for metal extraction from soils with organic characteristics and can be used to establish QRVs.
Palavras-Chave: | Pseudo-total content; Soil digestion methods.
Thesagro: | Horizonte; Solo.
Thesaurus Nal: | Organic horizons.
Categoria do assunto: | P Recursos Naturais, Ciências Ambientais e da Terra
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/225848/1/Comparing-methods-for-extracting-heavy-metals-from-Histosols-2016.pdf
Registro original: | Embrapa Solos (CNPS)
Exemplares: | CNPS - (20725-1) - UPC - AP - DD -  -  -  - DIS