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领域: | 环境水/废水/饮用水 | ||
样品: | 水 | 项目: | 元素检测 |
方案文件名 | 下载 |
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水中痕量及主量元素测定的重复性 |
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The analysis presented in this Application Note shows that the semi-quantitative program is accurate for many applications and has the advantage of speed. This mode could be used for screening purposes for a busy laboratory. The second point to note is that the reproducibility of the replicate analysis on 5 identical samples showed standard deviations similar to those achieved when determining the limit of detection. For example, the Pb result shows a deviation of 0.58 ppb over five determinations at 3.5 ppb. In a single run, both traces and high levels can be determined with good accuracy and precision.