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医用口罩环氧乙烷残留量测定玻璃柱
医用口罩环氧乙烷残留量测定玻璃柱 详细信息：

Chromosorb 101  HP 60～80目；玻璃柱长2m*3 mm
适用于岛津GC-2010

新型冠状病毒肺炎爆发后,口罩作为重要的防护手段,需求量激增,很多口罩生产企业24h连轴生产,仍然不能满足疫情期间口罩需求,一些生产纸巾,纸尿裤等企业也相继加入了口罩生产大军.环氧乙烷(EO)是广谱,的气体杀菌消毒剂,广泛应用于各类医疗器械的消毒中,但环氧乙烷是一种中枢神经抑制剂,刺激剂,有致突变性,婴儿毒性和致畸特性,为一类致癌物,长期接触有致癌的风险.此外,国家标准GB 19083-2010《医用防护口罩技术要求》也明确规定经环氧乙烷灭菌的口罩,其环氧乙烷残留量应不超过10μg·g-1.因此,口罩中环氧乙烷的测定显得很有必要.

浩瀚色谱（山东）应用技术开发有限公司建立顶空-气相色谱法测定医用口罩和医用防护服中环氧乙烷残留量的分析方法.通过实验优化了测定方法和条件,确定了色谱柱类型,顶空平衡时间和平衡温度,并进行了加标回收实验.在相应的浓度范围内线性关系良好,r=0.9996,环氧乙烷低检出限为0.02μg/mL,当称样量为1.0g,定容体积为5mL时,检出限为0.1μg/g.方法可以满足标准要求,对口罩和防护服中环氧乙烷残留量检测具有重要意义.

医用口罩环氧乙烷残留量测定玻璃柱  测试谱图：



Glass column for determination of ethylene oxide residues in medical masks
Glass column for the determination of ethylene oxide residues in medical masks Details:

Chromosorb 101 HP 60～80 mesh; glass column length 2m*3 mm
For Shimadzu GC-2010

After the outbreak of the new coronavirus pneumonia, the demand for masks as an important means of protection has surged. Many mask manufacturers continue to produce 24 hours a day, but they still cannot meet the demand for masks during the epidemic. Some companies that produce paper towels and diapers have also joined the mask production army. Ethylene oxide (EO) is a broad-spectrum, highly efficient gas sterilization disinfectant, widely used in the disinfection of various medical devices, but ethylene oxide is a central nervous system depressant, stimulant, mutagenic, and infantile. Toxicity and teratogenic properties, it is a class of carcinogens, and long-term exposure has the risk of cancer. In addition, the national standard GB 19083-2010 "Technical Requirements for Medical Protective Masks" also clearly stipulates that masks sterilized by ethylene oxide, their epoxy The residual amount of ethane should not exceed 10 μg g-1. Therefore, the determination of ethylene oxide in masks is necessary.

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. established an analytical method for the determination of ethylene oxide residues in medical masks and medical protective clothing by headspace-gas chromatography. The determination method and conditions were optimized through experiments, and the type of chromatographic column was determined. The headspace equilibration time and equilibration temperature were measured, and the standard addition recovery experiment was carried out. The linear relationship was good in the corresponding concentration range, r=0.9996, the minimum detection limit of ethylene oxide was 0.02μg/mL, and when the weighing sample amount was 1.0 g, when the constant volume was 5 mL, the detection limit was 0.1 μg/g. The method can meet the standard requirements and is of great significance for the detection of ethylene oxide residues in masks and protective clothing.

Glass column for the determination of ethylene oxide residues in medical masks Test spectrum: