EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS

Olga Lozhkina; Alexander Savinov

doi:10.61260/1998-8990-2026-3-59-70

UDC 614.8 UDC 355.58

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EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS

Published in Problems of risk management in the technosphere · Issue 3, 2026 · Pages 59–70 · Rubric: Risk reduction and elimination of consequences of emergency situations. Ensuring safety in case of emergency

DOI: https://doi.org/10.61260/1998-8990-2026-3-59-70

Received: 26.08.2026 Accepted: 01.09.2026 Published: 04.10.2026

Authors

Olga Lozhkina

ORCID SPIN

Alexander Savinov

Olga Lozhkina

Academic degree: doctor of technical sciences ; candidate of chemical sciences

Science rang: professor

Saint-Petersburg university of State fire service of EMERCOM of Russia professor · department of chemistry and combustion processes · Russian Federation · Saint-Petersburg

ORCID SPIN

Alexander Savinov

Academic degree: candidate of chemical sciences

OOO «NPO «SpetsSintez» scientific consultant · Russian Federation

ABSTRACT

Taking into account the threat of spread of new dangerous pathogens (such as SARS-CoV-2) and natural disasters often accompanied by infectious disease, there is a pressing need to find and choose, basing on experimental investigations, effective combinations of disinfectant substances approved for the surface disinfection in the presence of people. The paper describes the results of experimental microbiological studies on the decontamination of smooth surfaces. These studies confirmed the efficacy of a formulation containing 4,5 % quaternary ammonium compounds (QACs) and 1 % triamine (at concentrations of 0,15 % and 0,25 % with exposure times of 60 and 45 minutes) and a formulation containing 5,5 % QACs and 2 % polyhexamethylene guanidine phosphate (at concentrations ranging from 0,15 % to 0,8 % with exposure times ranging from 60 to 5 minutes). The paper also analyzes scientific data from other authors regarding the inactivation efficacy of disinfectant compositions based on the similar substances.

KEYWORDS

natural disasters, infectious diseases outbreak, surface disinfection, disinfectants, efficacy

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Professor of the Department of Physical and Chemical Fundamentals of Combustion and Extinguishing Processes Saint-Petersburg university of State fire service of EMERCOM of Russia

Olga Lozhkina

Head of the Department of Fire, Rescue Equipment and automotive industry of Saint-Petersburg university of State fire service of EMERCOM of Russia

Maksim Sytdykov

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Lozhkina O. V., Savinov A. G. EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS // Problems of risk management in the technosphere. 2026. no. 3. pp. 59-70. DOI: https://doi.org/10.61260/1998-8990-2026-3-59-70. (Date of access 05.11.2026).

MLA

Olga Lozhkina, Savinov A. G.. "EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS." Problems of risk management in the technosphere 2026.3 (2026): 59-70. DOI: https://doi.org/10.61260/1998-8990-2026-3-59-70.

APA

Lozhkina O. V., Savinov A. G. (2026). EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS. Problems of risk management in the technosphere, 2026(3), 59-70. https://doi.org/10.61260/1998-8990-2026-3-59-70

Chicago

Olga Lozhkina, Savinov A. G.. "EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS." Problems of risk management in the technosphere 2026, no. 3 (2026): 59-70. https://doi.org/10.61260/1998-8990-2026-3-59-70.

WIKI

{{cite journal | author = Lozhkina O. V., Savinov A. G. | title = EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS | journal = Problems of risk management in the technosphere | year = 2026 | volume = 2026 | issue = 3 | pages = 59-70 | doi = 10.61260/1998-8990-2026-3-59-70 }}

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EXPERIMENTAL AND ANALYTICAL INVESTIGATION OF BIOCIDAL SUBSTANCES FOR DISINFECTION OF PREMISES IN THE PRESENCE OF PEOPLE DURING EMERGENCY SITUATIONS

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