gasometric analysis

A mixture of gases is analyzed by the Eudiometer (q. v.), or by pa ing the mixture of gases through a series of tubes filled with different liquids, which absorb certain of the gases, the volume of the remainder being measured and corrections made for temperature, pre ure, Water absorbs hydrochloric acid, hydrobromic acid, and hydriodic acid; caustic potash absorbs 123, HCI, CO2, SO2, HCN, .; pyrogallic acid di olved in caustic potash absorbs concentrated sulphuric acid and other liquids are also used. oxygen;