In in-column derivatization reactionchromatography, the chosen analyte was the free formaldehyde in building materials.
在柱内衍生反应色谱法中，选择的分析对象为建筑材料中的甲醛测定。
2
The conversion rate from AA into PGG2 and PGH2 by chemical reaction and column chromatography was about 34%. The purity of endoperoxide products was more than 90%.
The experiment aimed to analyze the main components of flavonoids from corn silk by using color reaction, thin-layer chromatography(TLC) and ultraviolet(UV) spectral scanning.