เคมี
เอกสารมาตรฐาน
สหรัฐอเมริกา
AOAC
2007.09
Pesticide Residues (>0.5 µg/L) in Soy Drinks and Sports Drinks: Gas Chromatography with Mass Spectrometry
2013 (2023)
28
AOAC 2023 Ch. 10.7.06
A test solution is diluted with acetonitrile and water, then liquid–liquid phase extracted into petroleum ether. The resulting extract is concentrated to near-dryness and diluted with hexane–dichloromethane (50+ 50) ...