食器用洗剤混入事件のための界面活性剤抽出法
In the case of food adulteration or suicidal swallowing using dishwashing detergents, several extraction methods were evaluated to extract anionic, nonionic and amphoteric surfactants. Six extraction procedures: diatomaceous earth (ChemElut/chloroform or ethyl acetate), ion-pair liquid-liquid extraction (with methylene blue/chloroform), mixed-mode solid-phase extraction (SPEC PLUS DAU, C18 plus ca
高速液体クロマトグラフィー質量分析による食器用洗剤の異同識別
High-performance liquid chromatography/mass spectrometry (LC/MS) was applied to the forensic discrimination of dishwashing detergents. Each dishwashing detergent, commercialy available in Japan, consists of anionic, nonionic, amphoteric surfactants or a combination of these surfactants. These surfactants were separated on a reversed-phase C18 column with methanol/10 mM ammonium acetate gradient mo
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