chromatographic fractionation的用法和样例：
例句
- Fixed bed chromatographic separation is an effective approach to get rid of maltodextrin from refined ultra-high content maltose syrup.
从精制超高麦芽糖浆中除去糊精的有效方法之一是固定床色谱分离法。 - Why is the paper chromatographic separation used for the assay of intramascular injection of inosine?
为什么供肌内注射用肌甘注射液含量测定时必须先进行纸色谱分离？
