Determination of chemical oxygen demand in domestic wastewater by near infrared spectrometry of seston and partial least squares calibration. An Abstract from NIR news

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.