饮用水中游离余氯的现场快速测定
发布时间：2018-08-23 15:46
【摘要】：采用便携式余氯比色计快速测定饮用水中的游离余氯。对便携式余氯比色计进行校正,现场检测余氯的最佳水温为20℃左右,最佳酸度为pH 6~7,比色计读数时间应控制在20min内。水中锰、铬等金属离子的干扰可通过添加碘化钾溶液消除。此方法与国家标准GB 5749-2006中方法相比较,检测结果无显著性差异。
[Abstract]:A portable residual chlorine colorimeter was used for rapid determination of free residual chlorine in drinking water. The portable residual chlorine colorimeter was calibrated. The optimum water temperature and pH value of residual chlorine were about 20 鈩，
本文编号：2199528
[Abstract]:A portable residual chlorine colorimeter was used for rapid determination of free residual chlorine in drinking water. The portable residual chlorine colorimeter was calibrated. The optimum water temperature and pH value of residual chlorine were about 20 鈩，
本文编号：2199528
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