ISO 16900-4:2011 Respiratory protective devices - Methods of test and test equipment. Part 4: Determination of gas filter capacity and migration, desorption and carbon monoxide dynamic testing

First edition. ISO 16900‑4 was prepared by Technical Committee ISO/TC 94, Personal safety — Protective clothing and equipment, Subcommittee SC 15, Respiratory protective devices. — 24 p.
This part of ISO 16900 specifies the test method for determining the gas capacity of separate or integral gas filters and combined filters for respiratory protective devices. It includes the validation test at specified flow rates, a desorption test to access the ability of the filter to retain the adsorbed or absorbed gas, and carbon monoxide dynamic testing.