2010
DOI: 10.1590/s0103-50532010000800009 View full text |Buy / Rent full text
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Abstract: Neste trabalho, avaliou-se a disponibilidade de nutrientes minerais e elementos tóxicos em cafés produzidos pelas agriculturas orgânica, tradicional e tecnológica no sudoeste da Bahia, Brasil. Os nutrientes minerais foram determinados em amostras de solos e tecidos de café por espectrometria de absorção atômica com chama (FAAS) e os elementos tóxicos (Cr, Ni, Cd e Pb) por espectrometria de emissão ótica por plasma indutivamente acoplado (ICP OES). A aplicação de métodos estatísticos (análises de agrupamento e … Show more

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“…Green arabica and robusta coffee beans are directly taken from coffee plantations or coffee plantation cooperatives (Krivan et al 1993;Martin et al 1998aMartin et al , 1999Filho et al 2007;Oleszczuk et al 2007;Bertrand et al 2008;dos Santos et al 2009dos Santos et al , 2010. In a laboratory, coffee beans can be washed at first with tap water, followed by a neutral detergent, a diluted HCl solution and finally de-ionized water to remove soil particles and dust (dos ).…”
Section: Samples and Their Pretreatmentmentioning
“…In a laboratory, coffee beans can be washed at first with tap water, followed by a neutral detergent, a diluted HCl solution and finally de-ionized water to remove soil particles and dust (dos ). Next, they are roasted in a laboratory roaster and ground to a fine powder (Martin et al 1999;dos Santos et al 2010). Otherwise, they can be dried over a desiccating substance or in ovens at temperatures within 60-103°C and then pulverized in cryogenic mills or ground and powdered using rotor-type mills or grinders (Krivan et al 1993;Martin et al 1998a;Filho et al 2007;Oleszczuk et al 2007;Bertrand et al 2008).…”
Section: Samples and Their Pretreatmentmentioning
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