安捷伦8860Chromosorb 101 HP 60～80 玻璃柱测定儿童防护口罩中环氧乙烷

玻璃柱测定儿童防护口罩中环氧乙烷，液化石油气，二甲醚，甲缩醛，乙缩醛，乙醇，室内空气，焦炉煤气，炼厂气，乙酸乙酯，医疗器械，环氧乙烷，氨水，氨气，乙酸乙酯，MTBE，胺

玻璃柱测定儿童防护口罩中环氧乙烷
玻璃柱测定儿童防护口罩中环氧乙烷 详细信息：

浩瀚色谱（山东）应用技术开发有限公司采用吹扫捕集-气相色谱-串联质谱GC-MS/MS)技术了测定儿童防护口罩中环氧乙烷、环氧丙烷的方法.样品采用4％乙酸水溶液作为模拟液浸泡处理,浸泡液中目标物通过吹扫富集于捕集管中,热脱附后进入气相色谱,采用Chromosorb 101  HP 60～80目；玻璃柱长2m*3 mm分离,气相色谱串联质谱多反应监控模式进行分析检测,内标法定量.环氧乙烷、环氧丙烷在质量浓度为0.2～15 ng/mL范围内与色谱峰面积线性关系良好,环氧乙烷、环氧丙烷的相关系数分别为0.9998、0.9975,方法定量限均为0.01μg/g,满足GB/T 38880—2020及国外相关标准的限值要求.样品加标回收率为91.5％～115.7％,测定结果的相对标准偏差不大于4.9％(n=6).该方法适用于儿童防护口罩中环氧乙烷、环氧丙烷消毒有效成分的批量测定.

Chromosorb 101  HP 60～80目；玻璃柱长2m*3 mm


玻璃柱测定儿童防护口罩中环氧乙烷  测试谱图：



Determination of ethylene oxide in children's protective masks by glass column
Determination of ethylene oxide in children's protective masks by glass column Details:

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used purge and trap-gas chromatography-tandem mass spectrometry (GC-MS/MS) technology to determine the method of ethylene oxide and propylene oxide in children's protective masks. The sample was 4% acetic acid The aqueous solution was soaked as a simulated solution. The target substances in the soaking solution were enriched in the trapping tube by purging, and then entered into the gas chromatography after thermal desorption. Chromosorb 101 HP 60-80 mesh was used; Chromatography tandem mass spectrometry multi-reaction monitoring mode was used for analysis and detection, and internal standard method was used for quantification. In the mass concentration range of 0.2-15 ng/mL, ethylene oxide and propylene oxide had a good linear relationship with the chromatographic peak area. The correlation coefficients of oxypropane were 0.9998 and 0.9975, respectively, and the limit of quantification of the method was 0.01 μg/g, which met the limit requirements of GB/T 38880-2020 and related foreign standards. The relative standard deviation of the results is not more than 4.9% (n=6). This method is suitable for the batch determination of ethylene oxide and propylene oxide disinfection active ingredients in children's protective masks.

Chromosorb 101 HP 60～80 mesh; glass column length 2m*3 mm