两种旋光仪测量葡萄糖溶液浓度的教学研究  

The Teaching Research of Measuring the Concentration of Glucose Solution with Two Kinds of Polarimeter

作　　者：厉桂华[1] 丛晓燕[1] 张红[1] 赵文丽[1] LI Guihua;CONG Xiaoyan;ZHANG Hong;ZHAO Wenli(School of Information Science and Engineering,Shan Dong Agricultural University,Tai’an 271000,China)

机构地区：[1]山东农业大学信息科学与工程学院,山东泰安271000

出　　处：《大学物理实验》2021年第2期48-51,共4页Physical Experiment of College

摘　　要：实验是一个验证性实验。分别采用自组装分体式旋光仪和WXG-4型旋光仪测量浓度已知的葡萄糖溶液的浓度,对比数据后发现,二者测量精度相近。相对于WXG-4型旋光仪,自组装分体式旋光仪可通过配套的光功率计显示光强变化,从而让学生更深刻地理解消光现象以及旋光的意义。此外,它还能完成许多与偏振光相关的实验。This experiment is a confirmatory experiment.The author measured the known glucose solution concentration by the self-assembled split-type polarimeter and the WXG-4 type polarimeter,respectively.After comparing the data,it was found that the measurement accuracy was similar.Relative to WXG-4 type polarimeter,the self-assembled split-type polarimeter can display the change of light intensity through the matching optical power meter,so that students can have a deeper understanding of extinction phenomenon and the significance of optical rotation.In addition,it can perform many experiments related to polarized light.

关 键 词：自组装分体式旋光仪 葡萄糖溶液浓度 旋光度 

分 类 号：O4-34[理学—物理]