Abstract

NIR news
Volume 19 Issue 1, Pages 8–9 (2008)
doi: 10.1255/nirn.1058

Determination of chemical oxygen demand in domestic wastewater by near infrared spectrometry of seston and partial least squares calibration

Antonio C. Sousa,^a,b Maria Monica L.M. Lucio,^a Ovídeo F. Bezerra Neto,^b Glauciene P.S. Marcone,^a Alessandra F.C. Pereira,^a Edilene O. Dantas,^a Wallace D. Fragoso,^a Mario Cesar U. Araujo^a,* and Roberto K.H. Galvão^c
aUniversidade Federal da Paraíba, CCEN, Depto de Química, Caixa Postal 5093, 58051–970 João Pessoa, PB, Brazil. E-mail: laqa@quimica.ufpb.br
^bCentro Federal de Educação Tecnológica da Paraíba, 58015–430 João Pessoa, PB, Brazil
^cInstituto Tecnológico de Aeronáutica, Divisão de Engenharia Eletrônica, 12228–900 São José dos Campos, SP, Brazil

This article discusses the development of practical, fast and low-cost analytical methods for the determination of water quality parameters using near infrared reflectance spectrometry with multivariate analysis methods.

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