Please use this identifier to cite or link to this item:
Type: Artigo de periódico
Title: Chemical Oxygen Demand (cod) Using Microwave Digestion
Author: Jardim W.F.
Rohwedder J.J.R.
Abstract: A new approach to determine the Chemical Oxygen Demand (COD) using a microwave digestion to replace the conventional time consuming reflux method is proposed. The procedure uses a microwave oven for the digestion of small volumes of sample (from 500 up to 2000 μ1), in a completely closed 60 ml Teflon vessel. For samples showing COD values up to 1000 mg O2 1-1, the digestion step is completed in 7 min, compared to the 2 h needed for the conventional reflux method. An average precision of 1.0% was obtained using membrane filtered natural samples. © 1989.
Rights: fechado
Identifier DOI: 10.1016/0043-1354(89)90182-6
Date Issue: 1989
Appears in Collections:Unicamp - Artigos e Outros Documentos

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