Abstract
The article discusses the possibility of using a set of instrumental methods, such as morphological analysis, elemental analysis, X-ray phase analysis, infrared spectroscopy, ion chromatography or capillary electrophoresis to study the chemical composition of fire extinguishing powders during fire-technical examinations. Examples of the use of these methods in the investigation of real fires are given. It is described in detail how studies of fire extinguishing agents are carried out to answer questions related to establishing their composition, as well as identifying the compliance of the fire extinguishing powder submitted for study with technical documentation. It is shown that in order to obtain complete information about the chemical composition of the fire extinguishing agent, it is necessary to use a set of methods, since each of the considered methods provides additional information during the study.
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