气相色谱质谱法测定复合碳源中甲醇和乙醇的方法探究  

Determination of Methanol and Ethanol in Composite Carbon Source by Gas Chromatography-mass Spectrometry

作　　者：宋帅帅 蔡衍儒 王德杰 Song Shuaishuai;Cai Yanru;Wang Dejie(Weifang Shangshi Environment Sewage Treatment Co.,Ltd.,Weifang 261000,China;Weifang Municipal Public Utility Service Center,Weifang 261000,China;Shangshi Environment Water Co.,Ltd.,Weifang 261000,China)

机构地区：[1]潍坊上实环境污水处理有限公司,山东潍坊261000 [2]潍坊市市政公用事业服务中心,山东潍坊261000 [3]上实环境水务股份有限公司,山东潍坊261000

出　　处：《山东化工》2024年第13期182-184,共3页Shandong Chemical Industry

摘　　要：采用气相色谱质谱联用法,对污水及废水处理用复合碳源中甲醇和乙醇进行检测,建立了一种快速高效的检测方法,在15~160 mg/L线性范围内线性系数大于0.999,加标回收率在95.2%~98.8%,重复测定相对标准偏差小于2%,该方法能够准确检测出复合碳源中甲醇和乙醇的质量分数,为复合碳源的品质评价提供数据支持,为安全生产提供保证。The methanol and ethanol in the composite carbon source for sewage and wastewater treatment were detected by gas chromatography-mass spectrometry,and a rapid and efficient detection method was established.In the linear range of 15~160 mg/L,the linear coefficient was greater than 0.999,the recovery rate was 95.2%~98.8%,and the relative standard deviation of repeated determination was less than 2%.This method can accurately detect the mass fraction of methanol and ethanol in the composite carbon source.

关 键 词：复合碳源 甲醇 乙醇 气质联用 

分 类 号：O657.63[理学—分析化学]