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Language PortuguesePortuguese
Book Paperback
Book Reacoes colorimetricas Dário Mário Napole?o Armando dos Santos
Libristo code: 19845894
Publishers Novas Edicoes Academicas, May 2018
O presente trabalho prop?e diferentes aplicaç?es da análise de imagem digital em reaç?es colorimétri... Full description
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O presente trabalho prop?e diferentes aplicaç?es da análise de imagem digital em reaç?es colorimétricas. Nesse trabalho, a mesma foi capturada por um smartphone modelo J3 visando a determinaç?o do teor de ferro total em água em etanol na cachaça. O processamento consistiu no tratamento das imagens no sistema de cores RGB, através do software R, com interface gráfica RStudio usando o pacote EBImage. Esse pacote faz a decomposiç?o da imagem digital, onde a intensidade do pixel se relaciona com a concentraç?o do analito. Na determinaç?o de ferro em água potável, o canal verde mostrou um grau de ajuste melhor com um coeficiente de determinaç?o (R2 = 0,9985), com a concentraç?o obtida da amostra enriquecida com 5,0 mig. mL-1. Para fins de validaç?o, os resultados correlacionaram-se relativamente bem com os dados dos padr?es obtidos por espectrometria no UV-Visível(78,91%). Ao passo que, na determinaç?o do metanol na cachaça, o canal azul indicou uma correlaç?o relativamente forte de 89,08% com os dados obtidos pela espectrometria no UV-Visível.

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About the book

Full name Reacoes colorimetricas
Language Portuguese
Binding Book - Paperback
Date of issue 2018
Number of pages 104
EAN 9786139605439
Libristo code 19845894
Weight 163
Dimensions 152 x 229 x 6
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