摘要
报道了一种用纸色谱选择展开剂范围，薄层色谱确定展开剂，干层柱层析法提纯高分子显色剂的新方法．通过薄层色谱，元素分析及红外光谱测定证明。
The chromatographic purification of polyvinyl alcohol condensed p formbenzenylazo chromotropic acid and its analogue have been investigated. The experimental results show that chromatographic separation is a good method for purifying polymeric chromogenic agents.
基金
国家自然科学基金
