Construção de uma bomba peristáltica e de um sistema de detecção utilizando um hardware de código fonte aberto “arduino” para análise em fluxo
This work describes the development of a peristaltic pump and a photometric detector, using “Arduino” and alternative and low-cost materials for flow analysis system. The analytical calibration curve of the acid-red-283 using the proposed system presents 0.9984 and 3.9% as the coefficients of determ...
| Authors: | , , , , , |
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| Format: | article |
| Status: | Published version |
| Publication Date: | 2018 |
| Country: | Brasil |
| Institution: | Universidade Federal de Viçosa (UFV) |
| Repository: | LOCUS Repositório Institucional da UFV |
| Language: | Portuguese |
| OAI Identifier: | oai:locus.ufv.br:123456789/24774 |
| Online Access: | http://dx.doi.org/10.21577/0100-4042.20170289 http://www.locus.ufv.br/handle/123456789/24774 |
| Access Level: | Open access |
| Keyword: | Flow analysis Arduino Peristaltic pump |
| Summary: | This work describes the development of a peristaltic pump and a photometric detector, using “Arduino” and alternative and low-cost materials for flow analysis system. The analytical calibration curve of the acid-red-283 using the proposed system presents 0.9984 and 3.9% as the coefficients of determination and variation, and 1.1 and 3.8 mg L-1 as limits of detection and quantification, respectively. Three prepared samples of the acid-red-283 (25, 30 and 35 mg L-1) showed recovery between 99 to 104%. For construction of the peristaltic pump and the photometer using Light Emitting Diodes (LED), light-dependent resistor (LDR) were spent less than 10% of the cost was spent on a commercial system employing a peristaltic pump and a spectrophotometer. Furthermore, the peristaltic pump and the photometer developed in this work allow the implementation of practical disciplines, such as molecular absorption spectrophotometry and flow analysis system in undergraduate courses, making these instruments more accessible, especially for the chemistry students. |
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