HH-JSQVII 研发汽油中甲缩醛测定毛细管柱_色谱柱_浩瀚色谱（山东）应用技术开发有限公司

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HH-JSQVII 研发汽油中甲缩醛测定毛细管柱

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产品名称：HH-JSQVII 研发汽油中甲缩醛测定毛细管柱

产品型号：HH-JSQVII

产品厂商：浩瀚色谱（山东）应用技术开发有限公司

简单介绍

研发汽油中甲缩醛测定毛细管柱，室内空气，焦炉煤气，炼厂气，天然气，变压器油，多氯联苯，植物油，6号溶剂残留，液化石油气，二甲醚，甲缩醛，室内空气，焦炉煤气，炼厂气，氨

HH-JSQVII 研发汽油中甲缩醛测定毛细管柱的详细介绍

研发汽油中甲缩醛测定毛细管柱
甲缩醛又叫二甲氧基甲烷,是一种重要的化工原料。甲缩醛加入到汽油中对辛烷值无贡献,但因其价格低廉,可降低汽油调和成本而得到不良成品油经营商的青睐。甲缩醛热值低,添加到汽油中会导致汽车动力下降,油耗增加。甲缩醛为性有机溶剂,与汽油相容性好,长期储存或使用会导。
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《研发汽油中甲缩醛测定毛细管柱》，直接进样，单柱分析了汽油中甲缩醛含量，结果满意。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。

研发汽油中甲缩醛测定毛细管柱 图片：

Developed a capillary column for the determination of methylal in gasoline
Methylal, also called dimethoxymethane, is an important chemical raw material. The addition of methylal to gasoline does not contribute to the octane number, but because of its low price, it can reduce the cost of gasoline blending and is favored by unhealthy refined oil operators. Methylal has a low calorific value, and its addition to gasoline will cause a decrease in vehicle power and an increase in fuel consumption. Methylal is a polar organic solvent, which has good compatibility with gasoline and will lead to long-term storage or use.
Using microplate flow control (Deans Switch) heart-cutting technology, a two-dimensional gas chromatography method was established to analyze 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 "R&D Capillary 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. 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.

Developed capillary column for the determination of methylal in gasoline

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