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Vol. 131, Issue 8, August 2011, pp.83-90

 

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Non-Invasive Evaluation of Hydrogen Peroxide Concentrations in a Drinking Bottle by Near-Infrared Spectrometry

 

Herlina Abdul Rahim, Bashirun CHE MORAT, Ruzairi Abdul Rahim

Department of Control and Instrumentation Engineering, Faculty of Electrical Engineering,

Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia

 

 

Received: 17 June 2011   /Accepted: 22 August 2011   /Published: 30 August 2011

Handbook of Laboaratory Measurements book

 

Abstract: The purpose of this project is to determine the concentration of hydrogen peroxide (H2O2) over the unknown test sample. Near-infrared spectrometry (NIRS) is the spectroscopic technique used to assess the concentration of a chemical species based on the molar absorptivity in the Near-infrared (NIR) band. A multivariate statistical analysis tool will be applied to distinguish spectra for H2O and H2O2 through pre-processing stage. Then, multivariate regression method is applied to the pre-processed spectra to obtain calibration model. The calibration model is tested with test samples and the performance of the model is evaluated.

 

Keywords: Near-infrared spectroscopy, Concentration of hydrogen peroxide, Multivariate regression

 

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