Triethylamine is an important chemical raw materials, mainly used for drugs, polymerization inhibitor, preservatives, pesticides and industrial solvents, the market price of more than 15,000 yuan / t. In the production of molecular sieves such as SAPO-5, SAPO-34 and ZSM-12, triethylamine is one of the main components of raw material cost.
The qualitative analysis of triethylamine and impurity content was carried out by GC-EAM gas chromatograph, and the impurity types of triethylamine were determined. The target components were established for the establishment of gas chromatographic analysis method. The relative standard deviations (RSDs) of the three groups were less than 1.8% and the recoveries were between 98.5% and 103.0%, indicating the precision of the method. The precision of the method was quantitatively determined by the calibration area normalization method. And good accuracy, and has a fast, reliable features.
三乙胺是一种重要的化工原料,主要用作药品、阻聚剂、防腐剂、杀虫剂及工业溶剂等,市场价格过1.5万元/t。在SAPO-5、SAPO-34、ZSM-12等分子筛生产中,三乙胺作为模板剂是原料成本的主要组成部分。
滕州市浩瀚色谱仪器技术服务有限公司，采用GC-EAM气相色谱仪对三乙胺及杂质含量进行了定性分析,确定了三乙胺的杂质种类,为建立气相色谱分析方法确立了目标组分。以校正面积归一法对三乙胺及杂质的质量分数进行定量,各组分重复测定5次的相对标准偏差均小于1.8%,回收率在98.5%~103.0%之间,表明方法的精密度和准确度良好,并具有快速、可靠的特点。
