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首页> 外文期刊>World Journal of Chemical Education >Quantitative Analysis of Alcoholic Drinks. Use of Calibration Curve Method to Determine the Alcoholic Degree of Samples of Paesanella, a Distillate of the Family of Grappa
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Quantitative Analysis of Alcoholic Drinks. Use of Calibration Curve Method to Determine the Alcoholic Degree of Samples of Paesanella, a Distillate of the Family of Grappa

机译:酒精饮料的定量分析。使用校正曲线法测定Paesanella(格拉巴家族的馏出物)样品的酒精度

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Within the framework of laboratory activities relating to the teaching programof a fifth-year class of a technical school in Italy, we have determined, by the means of a spectrophotometer UV/vis, the alcoholic degree of a series of samples of Paesanella, a distillate of the family of grappa. In this experiment of quantitative analysis the students prepared anaqueous solution of ethanol to draw, by means of measurements of absorbance, the calibration line. The students found, making use of EXCEL, the linear equation with which to calculate the alcoholic degree of the samples of Paesanella.
机译:在与意大利一所技术学校五年级课程的教学计划有关的实验室活动框架内,我们通过分光光度计UV / vis确定了一系列Paesanella(馏出物)样品的酒精度格拉巴家族的成员。在此定量分析实验中,学生准备了乙醇水溶液以通过吸光度测量绘制校准线。学生们利用EXCEL,找到了一种线性方程式,用以计算Paesanella样品的酒精度。

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