Gas Chromatography–Mass Spectrometry Quantification of 1,1-Dimethylhydrazine Transformation Products in Aqueous Solutions: Accelerated Water Sample Preparation
Abstract:The use of highly toxic rocket fuel based on 1,1-dimethylhydrazine (UDMH) in many types of carrier rockets poses a threat to environment and human health associated with an ingress of UDMH into wastewater and natural reservoirs and its transformation with the formation of numerous toxic nitrogen-containing products. Their GC-MS quantification in aqueous samples requires matrix change and is challenging due to high polarity of analytes. To overcome this problem, accelerated water sample preparation (AWASP) base… Show more
“…Since the majority of these products are rather polar, classic liquid-liquid extraction followed by GC-MS often leads to rather poor results. Popov et al [ 20 ] applied accelerated water sample preparation (AWASP) based on the complete removal of water with anhydrous sodium sulfate and transferring analytes into dichloromethane. This method ensured attaining near-quantitative extraction of 23 out of 29 transformation products in about 5 min.…”
The number of known priority pollutants and emerging contaminants of environmental concern currently exceeds several thousand (US EPA Part 423, US EPA Part 401) [...]
“…Since the majority of these products are rather polar, classic liquid-liquid extraction followed by GC-MS often leads to rather poor results. Popov et al [ 20 ] applied accelerated water sample preparation (AWASP) based on the complete removal of water with anhydrous sodium sulfate and transferring analytes into dichloromethane. This method ensured attaining near-quantitative extraction of 23 out of 29 transformation products in about 5 min.…”
The number of known priority pollutants and emerging contaminants of environmental concern currently exceeds several thousand (US EPA Part 423, US EPA Part 401) [...]
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