2003
DOI: 10.1590/s0100-06832003000100017
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Avaliação química de fertilizantes com micronutrientes tipo fritas

Abstract: RESUMOO objetivo deste trabalho foi analisar fertilizantes tipo fritas comercializados no Brasil, utilizando o método prescrito para análise de fertilizantes minerais não-fritas, o que normalmente tem sido feito na rotina pelos laboratórios de análises de fertilizantes. Também foram analisados os teores de Cd, Ni e Pb nesses fertilizantes. Observou-se que o método utilizado foi adequado para a análise dos fertilizantes tipo fritas, o que indica que as fritas comercializadas no Brasil não são realmente fritas, … Show more

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Cited by 2 publications
(3 citation statements)
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“…Nickel values close to 1000 mg kg −1 were found by Vale and Alcarde (2003) when analyzing twenty-one fertilizers produced from oxides (FTEs); these levels are consistent with those found in some FTEs sold in Brazil (Gabe and Rodella 1999). The lack of information regarding Ni minerals present in the sources prevents further analysis of the effectiveness of different methods in quantifying this metal.…”
Section: Recovery Of Ni From Sources By Various Methodssupporting
confidence: 53%
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“…Nickel values close to 1000 mg kg −1 were found by Vale and Alcarde (2003) when analyzing twenty-one fertilizers produced from oxides (FTEs); these levels are consistent with those found in some FTEs sold in Brazil (Gabe and Rodella 1999). The lack of information regarding Ni minerals present in the sources prevents further analysis of the effectiveness of different methods in quantifying this metal.…”
Section: Recovery Of Ni From Sources By Various Methodssupporting
confidence: 53%
“…The levels of Pb found by Vale and Alcarde (2003) were approximately 14,125 mg kg −1 to 25,200 mg kg −1 using an HCl extractor in four commercial fertilizers made from oxides (known as FTE, fritted trace elements) among the twenty-one products analyzed. The authors attributed the high levels of Pb to the use of industrial waste metal in the manufacture of these fertilizers.…”
mentioning
confidence: 99%
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