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HH-JSQVI 汽油中甲缩醛测定专用填充柱

HH-JSQVI 汽油中甲缩醛测定专用填充柱

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产品名称:HH-JSQVI 汽油中甲缩醛测定专用填充柱

产品型号:HH-JSQVI

产品厂商:浩瀚色谱(山东)应用技术开发有限公司

简单介绍

汽油中甲缩醛测定专用填充柱,消毒剂,粗苯,三苯,二甲苯,乙酸乙酯,医疗器械,环氧乙烷,氨水,氨气,甲醛,甲缩醛,乙醛,乙缩醛,顶空进样器,热解吸仪,裂解进样器,胺,肼

HH-JSQVI 汽油中甲缩醛测定专用填充柱的详细介绍

汽油中甲缩醛测定专用填充柱

甲缩醛(二甲氧基甲烷)由于具有优良的理化性能,即良好的溶解性、低沸点、与水相溶性好,能广泛应用于化妆品、药用、家庭用品、工业汽车用品、杀虫剂、皮革上光剂、清洁剂、橡胶工业、油漆、油墨等产品中。也由于甲缩醛具有良好的去油污能力和挥发性,作为清洁剂可以替代F11和F113及含氯溶剂,因此它也是替代氟里昂,减少挥发性有机物(VOC_s)排放,降低对大气污染的环保产品。

传统方法是:采用微板流路控制(Deans Switch)中心切割技术,建立了分析汽油中甲缩醛含量的二维气相色谱法。仪器价格高昂,操作复杂,普通化验室很难配置。

滕州市浩瀚色谱仪器技术服务有限公司,,以科学发展为为指导,,,色谱工程研究所,分析与测试中心3个科研单位,研发出《汽油中甲缩醛测定专用填充柱》,直接进样,单柱分析了汽油中甲缩醛含量,结果满意。该方法是一种操作简便、快速的分析甲缩醛含量的方法。实验结果表明,甲缩醛含量(w)在0.01%~5.00%范围内时标准工作曲线呈良好的线性关系,线性相关系数达0.999 9,试样加标回收率为97.83%~104.11%,6次重复测定的相对标准偏差小于2.00%,甲缩醛检出限为0.003%(w)。该方法准确,适合测定车用汽油中的甲缩醛含量。
汽油中甲缩醛测定专用填充柱测定谱图:




Special packed column for determination of methylal in gasoline

Methylal (dimethoxymethane) has excellent physical and chemical properties, that is, good solubility, low boiling point, good compatibility with water, and can be widely used in cosmetics, medicine, household products, industrial automotive products, and insecticide In products such as lacquers, leather polishes, cleaners, rubber industry, paints, and inks. Also because methylal has good degreasing ability and volatility, it can replace F11 and F113 and chlorinated solvents as a cleaning agent, so it is also a substitute for Freon, reducing volatile organic compounds (VOC_s) emissions, and reducing environmental protection of air pollution product.

The traditional method is: using microplate flow control (Deans Switch) heart-cutting technology to establish a two-dimensional gas chromatography method for analyzing the content of methylal in gasoline. The equipment is expensive and complicated to operate, making it difficult to configure in ordinary laboratories.

Tengzhou Haohan Chromatography Instrument Technology Service Co., Ltd. is advancing with the times, guided by scientific development, under the leadership of Manager Wang Xiaoying, relying on three scientific research units: Xiangying Institute of Analytical Technology, Institute of Chromatography Engineering, and Analysis and Testing Center Developed the "Special Packed Column for Determination of Methylal in Gasoline", directly injected the sample, and analyzed the methylal content in gasoline with a single column, with satisfactory results. This method is a simple, fast and reliable method for analyzing the content of methylal. The experimental results show that the standard working curve shows a good linear relationship when the methylal content (w) is in the range of 0.01% to 5.00%, and the linear correlation coefficient is 0.999 9, and the sample recovery rate is 97.83% to 104.11%, 6 The relative standard deviation of repeated determinations is less than 2.00%, and the detection limit of methylal is 0.003%(w). The method is accurate and reliable, and is suitable for the determination of methylal content in motor gasoline.
Spectra of packed column for determination of methylal in gasoline:
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