《常用化学肥料定性鉴定》实训教学的改进  

Improvement of Training Teaching of Qualitative Identification of Common Chemical Fertilizers

作　　者：黄华梅[1] 刘凌芝[1] 

机构地区：[1]广西农业职业技术学院,广西南宁530007

出　　处：《河北农业科学》2011年第3期139-141,共3页Journal of Hebei Agricultural Sciences

摘　　要：分析了采用"以灼烧法为主、以化学检验法为辅"方法进行化肥鉴定的操作步骤及其利弊,提出并总结归纳了"以离子鉴定为主、以外表观察和酸碱度检测为辅"进行化肥鉴定的具体改进步骤与方法,对于提高学生鉴定化肥的准确率有重要意义。The operation steps of identification of chemical fertilizers mainly by the combustion method and secondly by the chemical tests,and its advantages and disadvantages are analyzed.The concrete improved steps and method of identification of chemical fertilizers mainly by the identification of ions and secondly by the external observation and the detection of pH value are summarized,which play an important role in improving the accuracy of identification of chemical fertilizers by students.

关 键 词：化肥 定性鉴定 实训教学 改进 

分 类 号：G420[文化科学—课程与教学论]