Development and calibration of an electrolytic cell for ion determination in a soil solution

Autores

  • Omar Cleo Neves Pereira Universidade Estadual de Maringá Autor
  • Altair Bertonha Universidade Estadual de Maringá Autor
  • Paulo Sergio Lourenço de Freitas Universidade Estadual de Maringá Autor
  • Caroline Silvano Universidade Estadual de Maringá Autor

DOI:

https://doi.org/10.4025/actascitechnol.v37i2.19634

Palavras-chave:

ionic activity, potassium, wastewater, fertigation.

Resumo

An electrolytic cell was developed to monitor soil modifications after crop fertigation with wastewaters from agroindustrial plants. The device was first calibrated with different levels of potassium chloride dissolved in aqueous solutions at various temperatures. Nernst´s model was used to fit the voltage indicated from the electrolytic cell versus the ionic activity of the potassium from the aqueous solutions of electrical conductivity and known ionic concentrations and the diluted wastewater samples. The equipment accurately indicated the tensions after appropriated correction of the electrical current and the temperature. The device estimated with accuracy the ionic coefficient of activity, the concentration of the potassium chloride and the concentration of the ion K dissolved in the agro-industrial wastewater.

 

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Publicado

2015-05-29

Edição

Seção

Engenharia Agrí­cola

Como Citar

Development and calibration of an electrolytic cell for ion determination in a soil solution. (2015). Acta Scientiarum. Technology, 37(2), 189-192. https://doi.org/10.4025/actascitechnol.v37i2.19634

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