The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).

本用高效液相色谱法(HPLC),成功地测定了邻、对甲苯酰胺异构体分布,并用紫外光谱法(UV)作为对法进行比较。