Method for determining content of glycerol in foaming agent by gas chromatography and application of method
The invention discloses a method for determining the content of glycerol in a foaming agent by gas chromatography, which comprises the following steps: (1) respectively measuring a proper amount of glycerol reference solution and a proper amount of test solution, and injecting into a gas chromatogra...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a method for determining the content of glycerol in a foaming agent by gas chromatography, which comprises the following steps: (1) respectively measuring a proper amount of glycerol reference solution and a proper amount of test solution, and injecting into a gas chromatograph for detection; and (2) obtaining content information of glycerol in the foaming agent according to a detection result. The detection method provided by the invention adopts the GC chromatography, has the advantages of high accuracy, high sensitivity, strong specificity and good accuracy, is simple and convenient in sample preparation, is universal in detection instruments, meets the requirements of Chinese pharmacopoeia through system verification, and provides a new detection means for detecting the glycerol content (including complex preparations such as foaming agents).
本发明公开了一种气相色谱法测定泡沫剂中甘油含量的方法,该方法包括如下步骤:(1)分别量取适量的甘油对照品溶液和供试品溶液,注入气相色谱仪进行检测;以及(2)根据检测结果,获得该泡沫剂中甘油的含量信息。本发明的检测方法采用GC色谱法,准确度高、灵敏度高,专属性强、准确度好,样品制备简 |
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