1998
DOI: 10.1590/s0100-40421998000400019
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Determinação de traços de Co e Co2 "em linha" por cromatografia em fase gasosa

Abstract: Recebido em 21/3/97; aceito em 3/11/97 DETERMINATION OF CO AND CO 2 ON LINE (AT LOW ppbV LEVELS) BY GAS CHROMA-TOGRAPHY. The present work describes a rapid and sensitive method for the determination of carbon monoxide and carbon dioxide at low concentration levels, on line, in ethylene and hydrogen lines. These gases were separated in a column filled with Porapak Q, converted to methane and quantified by a flame ionization detector. Some modifications were made in the injection system and in the lines of the c… Show more

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