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bi se fa ce ding tong kuang shi zhong tong de han liang de an li fen xi
Author(s): 
Pages: 53-55
Year: Issue:  12
Journal: Education in Chemistry

Keyword:  铜矿石中铜的含量比色法目视比色法分光光度法;
Abstract: 案例以红墨水的小实验引入比色法,侧重以目视比色法测定模拟的铜矿石粉末中铜的含量,然后以分光光度法等方法分析实验误差.案例把中学基础化学实验技能“配置一定物质的量浓度的溶液”、比色法和社会生产联系在一起,循序渐进地引导高中学生全面体验比色法实验.
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