Abstract

The gas analysis apparatus described is similar to an enlarged version of Krogh's microapparatus. It consists of a 1 cc. burette calibrated in one-hundredths, enclosed in a water jacket joined above to a glass funnel through a short capillary and below to a mercury reservoir. The absorbing solutions are placed in the glass funnel above, and the gas sample is injected through a needle inserted into a rubber cap on a side arm of the mercury reservoir.The apparatus is simple in design and in use, is easy to clean, and the cost is low. Accuracy is approximately ± 0.5%. A modified analyzer has been used by students with satisfactory results.

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