Abstract
Abstract A gas-solid chromatographic method is presented for the analysis of oxygen, oxygenhelium, and oxygen-carbon dioxide mixtures. The method utilizes a 16’ Porapak Q chromatographic column, hydrogen carrier gas, and a thermal conductivity detection system. It is applicable to the analysis of nitrogen, helium, argon, carbon monoxide, and nitrous oxide. Dry Ice conditions are required for the oxygen analysis; carbon dioxide is determined at ambient temperatures. Details for the assembly of a suitable chromatograph and a procedure for sampling gas cylinders are presented. Samples of medicinal gases were analyzed by the proposed method and by the Orsat absorption method. The results by both methods were in good agreement.
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