Identification of chemicals related to the chemical weapons convention during an interlaboratory proficiency test

Electrochemical properties of surface-confined films of single-walled carbon nanotubes functionalised with cobalt(II)tetra-aminophthalocyanine: Electrocatalysis of sulfhydryl degradation products of V-type nerve agents

“…As part of our on-going investigations geared towards harnessing the twin properties of electroactive amino-substituted transition MPc (notably, the CoTAPc) complexes and CNTs [23] and [24], this work is aimed at investigating the electrochemical and The serious threats posed to the society by terrorists have made the fast detection of organophosphates based chemical warfare agents (CWAs), especially those of the V-type nerve agents and their sulfhydryl hydrolysis products [25] and [26] (Table 1) a major global concern. Thus, in this work, we investigated the possible applications of the modified BPPGEs as viable devices for the study of the electrocatalysis and sensing of sulfhydryl degradation products of CWAs, i.e., those of the V-type nerve agents, diethylaminoethanethiol (DEAET) and dimethylaminoethanethiol (DMAET) ( [25] and [26]. These sulfhydryl degradation products are far more stable in the environment than their parent V-type nerve agents, meaning that they can be easily utilised to provide a reliable indication of the parent nerve agents.…”

Determination of Acetonitrile-hexane Partition Coefficient of O,O'-dialkyl Methylphosphonates by NMR Spectroscopy for the Verification Analysis of Chemical Weapon Convention

“…The CWC is administered by The Organization for Prohibition of Chemical Weapons (OPCW) located at The Hague, The in Netherlands, through its verification regime 2,3 . Verification of CWC involves the detection and identification of chemical warfare agents (CWAs) and their environmental signatures.…”

“…CWAs and their related chemicals (i.e., the starting materials, precursors and degradation products) are enlisted in three schedules of CWC 1,3 . These chemicals are also referred as convention convention-related chemicals (CRCs) and are required to be identified by the OPCW inspectors onsite to ascertain their deliberate or inadvertent spillage; in case of any ambiguity, the samples are sent to off-site laboratories designated by the OPCW 3,[5][6] .To become and maintain designation, the laboratories have to participate in and demonstrate high degree of analytical skills in official proficiency tests (OPTs) conducted by the OPCW [5][6][7][8][9][10] . The tests mimic the real field scenario 4,7,9 and it requires identification of CRCs spiked (usually at 1-10 mg/ml) in the environmental (soil, water, etc.)…”

Identification of Sulfur and Nitrogen Mustards by GC/FPD/NPD-MS

“…11 Dentre as diversas possíveis, cromatografia gasosa acoplada à espectrometria de massas (CG-EM) tem sido a mais empregada por todos os laboratórios. 9,[11][12][13][14] Os resultados devem ser confirmados por uma segunda técnica, não necessariamente espectrométrica. 11 Nesse caso, podem ser aceitos resultados obtidos por cromatografia gasosa (CG) com detectores de ionização de chama (DIC), fotométrico de chama (DFC) e de nitrogênio e fósforo (DNP), dentre várias outras possibilidades.…”