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顶空-气相色谱法测定水中的苦味酸 被引量:2

The Analytical Methods for Picric Acid in Water by Headspace-Gas Chromatography
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摘要 该文建立的顶空-气相色谱法测定水中苦味酸的方法,使得水样中的苦味酸经次氯酸钠氯化衍生后,直接顶空进样,保留时间定性,外标法定量,得到了良好的分离效果和较高的灵敏度和精密度。该方法简便、快捷,能达到GB/T 5750.8-2006中规定的要求。 The analytical methods of Picric Acid in water were studied by Headspace-Gas chromatography. Picric Acid in water was derivatized through javet,the derivative product was directly determined by HS-GC,haracterized with retention time and quantified with external standard method. The high precision and high sensitivity can be acquired. These methods can completely meet the requests of GB/T 5750.8-2006.
作者 张建荣 陈默
出处 《宁夏农林科技》 2013年第5期94-96,共3页 Journal of Ningxia Agriculture and Forestry Science and Technology
关键词 气相色谱 苦味酸 顶空 电子捕获检测器 Gas Chromatography Picric Acid Purge-and-trap(PT) ECD
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