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Method Validation for the Determination of Propellant Components by Soxhlet Extraction and Gas Chromatography/Mass Spectrometry
Authors: Fryš Ondřej | Bajerová Petra | Eisner Aleš | Mudruňková Martina | Ventura Karel
Year: 2011
Type of publication: článek v odborném periodiku
Name of source: Journal of Separation Science
Publisher name: Wiley-VCH
Place: Weinheim
Page from-to: 2405-2410
Titles:
Language Name Abstract Keywords
cze Validace metody pro stanovení složek prachů pomocí soxhletovy extrakce a plynové chromatografie ve spojení s hmotnostní detekcí Byla vyvinuta a validována rychlá, citlivá a přesná GC/MS metoda s elektronovou ionizací pro kvantifikaci alifatických nitroesterů a aromatických aminů v praších. Metoda zahrnuje soxhletovu extraci dichlormethanem a separaci na kapilární koloně MDN-5. Limit kvantifikace byl 1% (m/m) pro alifatické nitroestery a 0,1% (m/m) pro aromatické aminy. Hodnoty pro opakovatelnost a reprodukovatelonost analyzovaných sloučenin byly menší než hodnoty maxim povolených tolerancí Horwitzovy rovnice RSD(max) a 2/3 RSD (max). Analýza; Výbušiny; Extrakce; Plynová Chromatografie; MS
eng Method Validation for the Determination of Propellant Components by Soxhlet Extraction and Gas Chromatography/Mass Spectrometry A fast, sensitive, and accurate GC/MS method for the quantification of aliphatic nitroesters (ethylene glycol dinitrate, nitroglycerin, and triethylene glycol dinitrate) and aromatic amines (diphenylamine, 2-nitrodiphenylamine, and triphenylamine) in propellants was developed and validated. This method comprises a Soxhlet extraction step with dichloromethane, followed by separation on a capillary column MDN-5. Ionization of the analytes is carried out using electron ionization. The limit of quantification of the method was 1% w/w for aliphatic nitroesters and 0.1% w/w for aromatic amines (diphenylamine and triphenylamine). Values of repeatability and reproducibility for analyzed compounds were smaller than values of the maximum allowed tolerances of the Horwitz-equation RSD(max) and 2/3 RSD(max). Analysis; Explosives; Extraction; Gas chromatography; MS

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