动物饲料中卡巴多司的快速比色法。
Rapid colorimetric method for carbadox in animal feeds.
作者信息
Thorpe V A
出版信息
J Assoc Off Anal Chem. 1976 Nov;59(6):1290-3.
PMID:993184
Abstract
The colorimetric method for carbadox in animal feeds was modified to be simpler and faster. Carbadox is extracted with dimethyl-formamide and separated from interferences on an alumina column in the absence of water by controlling the amount of sample extract on the column and the flow rate. The isolated carbadox is eluted into sodium hydroxide and the resultant yellow chromophor is measured spectrophotometrically at 420 nm.
摘要
用于动物饲料中卡巴氧的比色法经过改进，变得更简便、快速。卡巴氧用二甲基甲酰胺萃取，在无水条件下通过控制柱上样品提取物的量和流速，在氧化铝柱上与干扰物分离。分离出的卡巴氧用氢氧化钠洗脱，所得黄色发色团在420nm处进行分光光度测定。
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