原文由 秋月芙蓉(ljhciq) 发表:
LZ的实验用石墨炉测定吗,能否将数据发上来看看
LZ用的是石墨炉法。测得数据如下:
Mean Data | | | | | | | | | |
Analyte | | Cr 357.9 | | Date: | | 2011/11/11 |
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ID: | | | Corr. Abs. | | Conc (ug/L) | | Time | | | |
校准空白 | | 0.0146 | [0.00] | | | 17:40:28.00 | | | |
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Calib Std 1 | | 0.1295 | [10.0] | | | 17:45:51.00 | | | |
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Calib Std 2 | | 0.2572 | [20.0] | | | 17:51:18.00 | | | |
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Calib Std 3 | | 0.3923 | [30.0] | | | 17:56:44.00 | | | |
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Calib Std 4 | | 0.2505 | [40.0] | | | 18:02:32.00 | | | |
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Calib Std 5 | | 0.6138 | [50.0] | | | 18:07:58.00 | | | |
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样品空白 | | 0.3829 | 30.46 | | | 18:14:15.00 | | | |
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GSB-5 | | 0.4674 | 6.854 | | | 18:30:29.00 | | | |
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标准曲线做的还行,标准样做的不好,太偏低了。称样量 0.4581,定容体积 25ml,我的结果为:6.854×25/1000/0.4581=0.374ug/g,查标准值则为1.8±0.3ug/g。