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
