Construção de uma célula de gás de baixo custo para análise no infravermelho

Abstract

Recebido em 11/6/10; aceito em 13/11/10; publicado na web em 18/2/11 CONSTRUCTION LOW-COST GAS CELL FOR INFRARED ANALYSES. Infrared spectroscopy is a versatile technique used for qualitative and quantitative determination of all types of molecular species. As far as analysis of confined or flowing gases is concerned, different types of cell can be found in the market, but they are often very expensive. This study describes the construction of a very efficient gas cell with good reproducibility for qualitative infrared analysis of confined or flowing gases, using easily available and low-cost materials.