| 热值法测定白酒中乙醇含量的实验教学研究 |
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| 引用本文： | 刘志明,祖若琪,耿婵娟,李秀波.热值法测定白酒中乙醇含量的实验教学研究[J].实验室科学,2012,15(4):98-101. |
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| 作者姓名： | 刘志明 祖若琪 耿婵娟 李秀波 |
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| 作者单位： | 黑龙江八一农垦大学食品学院,黑龙江大庆,163319 |
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| 摘 要： | 通过测定白酒在氧弹量热计中的燃烧热值求算白酒中乙醇含量,并将化学热力学方法引入食品分析中,是食品专业"物理化学"课程实验内容的拓展。实验教学研究表明,该法重现性好,准确度高,简便易行,可与国标法互补,尤适于车载式现场检测,可作为热力学和食品分析常规实验项目。
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| 关 键 词： | 热值法 乙醇含量 燃烧热 |
Experimental teaching research for determined alcohol content of spirit usu.by calorific value method |
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| LIU Zhi-ming
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ZU Ruo-qi
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GENG Chan-juan
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LI Xiu-bo.Experimental teaching research for determined alcohol content of spirit usu.by calorific value method[J].Laboratory Science,2012,15(4):98-101. |
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| Authors: | LIU Zhi-ming ZU Ruo-qi GENG Chan-juan LI Xiu-bo |
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| Institution: | (Foodstuff College,Heilongjiang Bayi Agricultural University,Daqing 163319,China) |
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| Abstract: | Calculated alcohol content of spirit usu.by determination of heat of combustion in oxygen bomb calorimeter,and lead chemical thermodynamics method into food analysis,it was developed that food professional subject ＂Physical Chemistry＂ course experimental content.The experimental teaching research show that this method was reproducible,accuracy and simple,it can replenished with the national standard method,suitable to field inspection in vehicle mode especially.It can be used as a conventional experimental item of thermodynamic and food analysis. |
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| Keywords: | calorific value method alcohol content heat of combustion |
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