Chemical Warfare Operations | Chapter 4 | Chemical Warfare and Environmental Warfare Operations

In 1915, the first Chemical warfare operation in modern history happened. The development of chemical warfare agents was done based on experimental chemistry and the animal science laboratory for testing and measurement of toxicity dose and lethal dose. The aim of this chapter is to provide a stable foundation for the design of chemical warfare agents and design principles for chemical warfare operations, based on theoretical physical chemistry, fluid flow mechanics and theoretical thermodynamics. Optimum gas chemical warfare agents have the following characteristics: colorless, odorless and lethal concentrations at very low concentrations. Very low hydrolysis in water, high stability and high solubility in water. There are several stages for the development of any chemical warfare agent, the focal stages are the selection of the method of exposure and the harm mechanisms. The main elements and groups used for the development of gas-chemical warfare agents are classified based on their harm mechanisms. The first group of halogens is Cl, F, Br, and I. The second group is unsaturated oxides: carbon monoxide and sulfur oxides.  The third group is toxic elements such as cyanide, sulfur, and arsenic. The Fourth group is organic phosphorus. These elements and groups are combined with Phenyl, Benzyl, Xylyl, Methyl, Ethyl, and Vinyl groups such as Halogens Methyl. There are several kinds of calculations and experimental testing to be carried out, such as thermodynamics calculations, reaction kinetics, reaction rates for any chemical agents with target compounds, and then experimental studies for the effect of gas agents on animals. Design chemical warfare operation has many process parameters to study, for developing the desired chemical cloud for the volume occupying three meters above ground for the battlefield area. Meteorological parameters are very important for atmospheric fluid flow in the design of chemical warfare operations. Chemical warfare gas agents at lethal requirement concentration produce the highest lethality rate. This is a combined process of convective mass transfer and diffusion mass transfer. For Producing chemical cloud with lethal concentration at a time of operations, with respect meteorological parameters.

 

Author (s) Details

 

Malik M.A. Fakron
University of Calabaria, Italy and University of Bright Star, Libya.

 

Please see the book here:- https://doi.org/10.9734/bpi/mono/978-93-49238-72-5/CH4

Detection of Chemical Warfare Agents and Biological Warfare Agents | Chapter 2 | Chemical Warfare and Environmental Warfare Operations

Detection in chemical warfare and biological warfare has great benefits for warfare management. There are several types of detectors for chemical warfare agents and biological warfare agents. The major task of this paper is to review chemical warfare agents, biological warfare agents, and the techniques of detection technology for chemical warfare agents and biological warfare agents. The paper also discusses the use of various sensors to detect chemical and biological warfare agents, providing effective early warning information. The application of detection has proven very effective in reducing the hazardous effects of chemical and biological agents in war. This provides an early warning tool for the chemical and biological materials used in warfare, reduces the cost of warfare, and also reduces environmental problems due to the excessive use of chemical and biological agents.

 

Author (s) Details

 

Malik M.A. Fakron
University of Calabaria, Italy and University of Bright Star, Libya.

 

Please see the book here:- https://doi.org/10.9734/bpi/mono/978-93-49238-72-5/CH2

Quantitative Analysis of Chemical Warfare Agents by GC/MS Method | Chapter 1 | Current Topics on Chemistry and Biochemistry Vol. 2

 The main mission of special chemical labs of the Fire and Rescue Service in the Czech Republic is to analyse hazardous chemical compounds (FRS). The main criteria and requirements for an internal standard for determining chemical warfare agents (CWAs) utilising the gas chromatography coupled with mass detection (GC/MS) technique were defined. The goal of the project was to determine CWAs on all FRS GC/MS systems that lacked CWA guidelines. A GC/MS analysis of a combination of a CWA and an internal standard, conversion of the total ion current (TIC) chromatogram to extracted-ion chromatogram at a certain m/z ratio, and computation of the CWA concentration from the internal standard concentration are used to make the determination. chromatographic peak regions and response factor Internal standards were identified and confirmed for seven organophosphorus nerve-paralyzing chemicals and four blister agents. The related response factors were calculated using the gradients of the linear functions of peak area and compound concentration. The linearity, repeatability, and accuracy of the measurements were evaluated.

Author(s) Details:

Tomas Capoun,
Ministry of Interior – Directorate General of the Fire Rescue Service CR, Population Protection Institute, Na Luzci 204, 533 41 Lazne Bohdanec, Czech Republic.

Jana Krykorkova,
Ministry of Interior – Directorate General of the Fire Rescue Service CR, Population Protection Institute, Na Luzci 204, 533 41 Lazne Bohdanec, Czech Republic.

Please see the link here: https://stm.bookpi.org/CTCB-V2/article/view/7121

Study of Decomposition of Chemical Warfare Agents Using Solid Decontamination Substances: An Approach to Assess Degradation Efficiency | Chapter 1 | Current Advances in Chemistry and Biochemistry Vol. 10

 Chemical warfare agent decontamination is a key step toward eliminating or reducing the impact of these compounds on people. Modern decontamination substances include solid decontamination (degradation) sorbents that degrade harmful chemicals. The study's goal was to devise a method for tracking the breakdown of chemical warfare agents using these sorbents. FTIR spectroscopy with the ATR approach was used to monitor the degradation of soman, VX, and sulphur mustard (chemical warfare agents). Bonds in the material molecule that disintegrated and the positions of the absorbance bands that related to the vibration of that bond were discovered during the development and validation of the procedure. On the basis of this research, a procedure for evaluating the degrading effectiveness of sorbents on chemical warfare agents was developed. The time dependency of the distributed CWA ratio, as well as the reaction time necessary to breakdown 50 and 90% of the initial amount of the chemical, are graphically presented as the results of the measurements.

Author (S) Details

Dr. Tomas Capoun
Ministry of Interior–General Directorate of the Fire Rescue Service CR, Population Protection Institute, Na Lužci 204, 533 41 Láznˇe Bohdaneˇc, Czech Republic.

Dr. Jana Krykorkova
Ministry of Interior–General Directorate of the Fire Rescue Service CR, Population Protection Institute, Na Lužci 204, 533 41 Láznˇe Bohdaneˇc, Czech Republic.

View Book :- https://stm.bookpi.org/CACB-V10/article/view/2621