haohan空气中氧气含量测定5A填充柱2m*3mm

了解空气的主要成分并通过实验探究空气中氧气的体积分数是《全日制义务教育化学课程标准(实验稿)》的内容之一,引导学生认识和探究身边的化学物质,了解化学变化的奥秘,是化学启蒙教育的重要内容.本活动从日常生活和生产中选取学生熟悉的材料,引导学生通过观察和实验探究活动。


浩瀚色谱（山东）应用技术开发有限公司，与时俱进，研发5A填充柱测定空气中氧，氮，柱效高，分离好，结果满意。    
Understanding the main components of the air and exploring the volume fraction of oxygen in the air through experiments is one of the contents of the "Chemistry Curriculum Standard for Full-time Compulsory Education (Experimental Draft)", which guides students to recognize and explore the chemical substances around them, and to understand the mystery of chemical changes. It is an important content of chemistry enlightenment education. This activity selects materials familiar to students from daily life and production, and guides students to explore activities through observation and experiments.


Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. keeps pace with the times and develops a 5A packed column for the determination of oxygen and nitrogen in the air, with high column efficiency, good separation, and satisfactory results.