Aflatoxin Total in cotton seed (Standard)(基体 棉籽中黄曲霉毒素总量标准品)是用于检测食品和饲料中黄曲霉毒素总量(包括B1、B2、G1和G2)的参考物质,这些毒素是由黄曲霉和寄生曲霉产生的次级代谢产物。黄曲霉毒素具有强毒性,对肝脏、肾脏等器官危害极大,是I类致癌物。
Acetylmandelic acid, (+)- is a chiral derivatizing agent,and used for NMR determination of enantiomeric purity of α-deuterated carboxylic acids, alcohols, and amines.