文章详细信息 关键词： 分光光度法；水硬度；钙─镁混合体系 [gap=376]Keywords: spectrophotometry; hardness of water; Ca/Mg system
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... total hardness of water 水总硬度 residual hardness of water 水的残留硬度 degree of hardness of water 水硬度 ...
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纺织品测试相关英语(专业必备) ... formaldehyde content 甲醛含量 hardne of water 水硬度 mushroom reaction 发胀反应 ...
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Beers law is obeyed in the total concentration range of 3~3×10 -5mol·L -1. A method for the determination of total concentration f Ca and Mg was established,it has been applied to the determination of water hardness,satisfactory results were obtained.
建立了测定钙镁总含量的方法 ,应用于水硬度的测定 ,结果令人满意。
参考来源 - 分光光度法测定水的硬度A new method to determine the hardness of water by xylend orange indication under the (existence) of the cationic surface active agents is reported. In this method change of the terminal colour is more sensitive.
研究了在阳离子表面活性剂存在下,以二甲酚橙为指示剂测定水硬度的新方法,该方法终点颜色变化敏锐,结果令人满意。
参考来源 - 水硬度测定实验方法改进·2,447,543篇论文数据，部分数据来源于NoteExpress
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