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http://repositorio.ufla.br/jspui/handle/1/11252| Title: | Carbon paste electrode modified with ascorbic acid and carbon nanotubes for determination copper in sugar cane spirit |
| Issue Date: | 13-Jun-2016 |
| Publisher: | Electrochemical Society |
| Citation: | TEIXEIRA, M. C. et al. Carbon paste electrode modified with ascorbic acid and carbon nanotubes for determination copper in sugar cane spirit. ECS Transactions, [S.l.], v. 43, n. 1, p. 231-235, 2012. |
| Abstract: | This work has been carried out in order to determine the copper content in sugar cane spirit samples from the south of Minas Gerais, using a carbon paste electrode modified with ascorbic acid and carbon nanotubes using the square wave voltammetry technique. The following parameters were studied: Ed (deposit potencial). Td (deposit time), f (frequency), A (amplitude) and ΔEs (increment scanning). The analytical curve was built in an interval from 0.5 to 12 mg L-1 and a coefficient of linear correlation of 0.997 Three sugar cane spirit samples were analysed, which presented copper content ranging from 0.29 to 1.59 mg L-1. |
| URI: | http://ecst.ecsdl.org/content/43/1/231.abstract http://repositorio.ufla.br/jspui/handle/1/11252 |
| Appears in Collections: | DQI - Artigos publicados em periódicos |
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