Emprego da amostragem de suspensao na determinacao de Cu e Zn em lapa antartica e Ni em sedimento de rio por espectrtometria de absorcao atomica com chama



Document title: Emprego da amostragem de suspensao na determinacao de Cu e Zn em lapa antartica e Ni em sedimento de rio por espectrtometria de absorcao atomica com chama
Journal: Quimica nova
Database: PERIÓDICA
System number: 000198150
ISSN: 0100-4042
Authors: 1




Institutions: 1Universidade Estadual de Campinas, Departamento de Quimica Analitica, Campinas, Sao Paulo. Brasil
2Comisión Nacional de Energía Atómica, Unidad de Actividad Química, Buenos Aires. Argentina
3Comisión Nacional de Energía Atómica, Unidad de Actividad Geología, Buenos Aires. Argentina
Year:
Season: Nov-Dic
Volumen: 24
Number: 6
Pages: 756-760
Country: Brasil
Language: Portugués
Document type: Artículo
Approach: Experimental, descriptivo
English abstract In order to demonstrate the feasibility of slurry sampling for environmental studies, different methodologies were developed for Cu and Zn in antarctic limpets and Ni in river sediment with FAAS detection. Studies focusing particle size, acid concentration, slurry stability, selectivity, among others were carried out in order to define the better conditions for slurry analysis. A study related to the depth profile for Ni in the Atibaia River sediment was made after optimization conditions for this element. For accuracy check, certified reference material was used as well as decomposition with microwave oven
Disciplines: Química,
Biología,
Ingeniería
Keyword: Química analítica,
Moluscos,
Ingeniería ambiental,
Cobre,
Zinc,
Níquel,
Espectrometría de absorción atómica de llama,
Ríos,
Nacella concinna,
Estudios ambientales
Keyword: Chemistry,
Biology,
Engineering,
Analytical chemistry,
Molluscs,
Environmental engineering,
Copper,
Nickel,
Flame atomic absorption spectrometry,
Rivers,
Nacella concinna,
Environmental studies,
Zinc
Full text: Texto completo (Ver HTML)