Assessing sample representativeness for inorganic chemical investigation of invertebrates by INAA |
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Authors: | Felipe Yamada Fonseca Elisabete A De Nadai Fernandes Vanessa Santos Rodrigues Isabel Pires de Oliveira Cavalca Leandro Camilli Jr" target="_blank">Claudiney BardiniJr Elvis Joacir De França |
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Institution: | 1.Centro de Energia Nuclear na Agricultura,Universidade de S?o Paulo,Piracicaba,Brazil |
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Abstract: | The quality of environmental studies depends on the utilization of adequate sampling protocol and analytical method for obtaining
reliable results and minimizing analytical uncertainties. In order to demonstrate the applicability of INAA for determining
chemical element composition of invertebrates, this work evaluated sample representativeness in terms of subsampling and sample
size. Br, Co, Fe, K, Na, Sc and Zn could be determined in very small samples despite increasing of analytical uncertainties.
Special attention should be directed to invertebrate species with small structures because of the high chemical variation
observed among different sample sizes tested. |
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