Gas analysis apparatus

Methods of EGA using selective sorption, condensation of effluent gases, infrared absorption and thermoparticulate analysis have been reviewed by Lodding [144]. The use of simple gas burette systems should not be forgotten and an Orsat gas analysis apparatus can provide useful measurements in studies of the decomposition of formates [169]. Problems have been encountered in the determination of water released Kiss et al. [170—172] have measured the formation of this compound from infrared analyses of the acetylene evolved following reaction of water with calcium carbide. Kinetic data may be obtained by wet methods ammonia, determined by titration after absorption in an aqueous solution, has been used to measure a—time values for the decomposition of ammonium salts in a fluidized bed [173],... 

The art of analyzing gases by chemical means has made vast progress since the early researches of R. W. Bunsen. Most gas analysis apparatus, however, still contains a reservoir, a combustion chamber, and an absorption vessel, and formidable-looking apparatus is foimd on inspection to be capable of assembly by a series of moderately... 

Orsat analyzer analy chem Gas analysis apparatus in which various gases are absorbed selectively (volumetric basis) by passing them through a series of preselected solvents. 6r,sat an-3,lTz-or ... 

Ball et al. (1983a, 1990) pumped soil air from a hollow probe into a modified Orstat gas analysis apparatus. A known volume of soil air is first pumped into the gas burette of the apparatus, and subsequently transferred to integral absorption vessels (Fig. 14-4). The absorbent for CO2 is 40% aqueous KOH. The volume of gas absorbed is recorded from the gas burette. The remaining gas is exposed to a mixture of saturated aqueous ammonium chloride and ammonia in contact with copper coils for absorption of O2. Again the gas volume reduction is recorded from the gas burette. Practical limits of detection under field conditions are 0.01-0.1% for each gas. 

A New Gas Analysis Apparatus for Biological Samples with a Combination Permeation Tube and Gas Chromatograph Application to Blood... 

Van Slyke gas analysis apparatus, constant volume type, with 50-, 2-, and... 

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