Design and construction of an analyser for the continuous monitoring of hydrogen chloride and hydrogen cyanide in combustion gases from test fires in coaches (TM-DER-13)

In the past the concentrations of HC1 and HCN in combustion gases have been measured with Drager tubes - usually at unspecified times during the tests. Spot checks of this nature can only give an indication of the immediate gas concentration at the time and point of sampling and cannot...