A process for the detection of carbonyl sulfide in a gas such as carbon dioxide is provided. The process comprises providing a known volume of gas to be analyzed and removing any hydrogen sulfide from the gas as by passage through a lead acetate column. The carbonyl sulfide is then converted to hydrogen...http://www.google.fr/patents/US5080867?utm_source=gb-gplus-shareBrevet US5080867 - Portable carbonyl sulfide analyzer