用薄层色谱技术分离甘草提取液中成分后，再用扫描先密度法对甘草次酸进行定量测定。
First separating the ingredient from extraction of licorice with TLC, then measuring quantitatively the content of Glycyrrhetic acid with scan densitometry.
方法采用丙二酸碘量法与五步碘量法测定二氧化氯含量，采用悬液定量杀菌试验方法进行杀菌效果评价。
Methods The concentration of chlorine dioxide was determined by propandioic acid-iodometry and five-step iodometry.
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