... arsenic pollution 砷污染 arsenic apicitis 二巯基丙磺酸钠 ; 砷性根尖炎 arsenic stain 砷斑 ...
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arsenic stain method 砷斑法
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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。
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