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Data on acetic acid–methanol–methyl acetate–water mixture analysised by dual packed column Gas Chromatography

机译:双填充柱气相色谱法分析的乙酸-甲醇-乙酸甲酯-水混合物数据

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摘要

The composition of multicomponent determination by colorimetric titration is difficult. This complexity is easily overcome by using Gas Chromatography technique instead of wet method for multi-component mixture analysis. In Gas Chromatography, first the standard chart is prepared by using the known amount sample concentration as the reference. Once calibration chart is prepared the unknown sample concentration easily measured by using the standard chart. In the present study a standard calibration chart developed for the four component system of acetic acid–methanol–methyl acetate–water. The samples were taken at various concentrations of all components and different chromatograms obtained under various concentrations respectively. The method of optimization was first carried out to get the sharp peaks of individual components and binary pairs also. By using those conditions, the multi components concentrations were estimated. From the present results, the area under gas chromatogram is linearly varying with mole% of the components compared to mass%.
机译:通过比色滴定法测定多组分的组成是困难的。通过使用气相色谱技术代替湿法进行多组分混合物分析,可以轻松克服这种复杂性。在气相色谱法中,首先通过使用已知量的样品浓度作为参考来制备标准图。一旦准备好校准图,即可使用标准图轻松测量未知样品的浓度。在本研究中,为乙酸-甲醇-乙酸甲酯-水的四组分系统开发了标准校准图。在所有组分的不同浓度下采集样品,并分别在不同浓度下获得不同的色谱图。首先进行了最优化方法,以得到各个组分和二元对的尖峰。通过使用这些条件,可以估算出多组分浓度。根据目前的结果,气相色谱下的面积与组分的摩尔%相比与质量%呈线性变化。

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