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酒精灯是实验室主要仪器之一。义务教育课程标准实验教科书(人教版)九年级《化学》上册“走进化学实验室”课题中,通过酒精灯使用方法的学习,学生很快掌握了酒精灯的有关知识:灯焰分3部分,分别是外焰、内焰和焰心,外焰温度最高,焰心温度最低,一般用外焰给物质加热。笔者发现,实际给物质加热时并不是用外焰,而是用内焰,对这种与教材
Alcohol lamp is one of the main laboratory equipment. Compulsory education curriculum standard experimental textbook (PEP) ninth grade “Chemistry” on the book “into the chemical laboratory ” subject, through the use of alcohol lamp learning, students quickly mastered the knowledge of alcohol lamp: lamp flame Divided into three parts, respectively, the outer flame, inner flame and flame heart, the outer flame temperature is highest, the flame heart temperature is the lowest, the general use of external flame to heat the material. The author found that the actual material heating is not used outside the flame, but with the flame inside, and this teaching material