arsenic stain method 砷斑法
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
youdao
应用推荐
模块上移
模块下移
不移动