ISA TR92.06.03-2008 (R2013)

This report has been written to provide support to the work of the ISA92.06 Subcommittee responsible for drafting a performance standard for chlorine detection instruments. The scope of the standard is limited to those instruments intended for the determination of chlorine gas in air to enhance workplace safety. In Committee discussions two technical questions were raised; the first was the feasibility of generating chlorine gas concentrations with sufficient accuracy and precision necessary for the performance tests. The second question was whether there was a significant reaction between chlorine and water in the vapor phase since the extent of this reaction would impact the validity of the proposed humidity performance test.

The first part of the report discusses issues related to the question of the possible interaction of chlorine with water vapor in the gas phase. The latter part of the report discusses the generation of chlorine gas.