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https://locus.ufv.br//handle/123456789/24089
Tipo: | Artigo |
Título: | A simplistic portable LED-Based photometer for in situ determination of copper in sugarcane spirits |
Autor(es): | Suarez, Willian Toito Gabriel, Wesley Lira Alvarenga Junior, Benedito Roberto de Franco, Mathews de Oliveira Krambeck Santos, Vagner Bezerra dos |
Abstract: | A low-cost and portable LED-based photometer was developed and applied for in situ determination of copper in sugarcane spirit. The determination was based on the chelation reaction between copper(II) and cuprizone (bis(cyclohexanone)oxalyldihydrazone). After optimizing the best experimental variables, a dynamic linear range to determine copper(II) was linear from 1.0 to 12.0 mg L−1 (r2 = 0.999) with the limits of detection and quantification of 0.20 and 0.70 mg L−1, respectively. The recovery of copper ranged from 96.5 to 104.4%. The paired t test was performed, and the results agreed at 95% level of confidence. The analytical method LED-based photometer demonstrated that it can be employed to determine copper in sugarcane spirit for quality purpose, e.g., small rural producers can evaluate the drink quality before bottling due to the easy handling, portability, fast response, and low-cost of the materials used. |
Palavras-chave: | LED-based photometer Copper(II) In situ analysis Sugarcane spirit Food control |
Editor: | Food Analytical Methods |
Tipo de Acesso: | Springer Science+Business Media, LLC, part of Springer Nature |
URI: | https://doi.org/10.1007/s12161-018-1306-y http://www.locus.ufv.br/handle/123456789/24089 |
Data do documento: | Dez-2018 |
Aparece nas coleções: | Artigos |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
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artigo.pdf Until 2100-12-31 | Texto completo | 778,08 kB | Adobe PDF | Visualizar/Abrir ACESSO RESTRITO |
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