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[求助]
帮忙翻译一下,本人英语水平有限,谢谢了,附有图片
To obtain selenate, a first dilution step was made by mixing 20 Al of the selenite stock solution with 36 Al hydrogen peroxide (H2O2, 30% w/v) and 144 Alof Milli_Q water. A second 10-fold dilution step in BCW gave the source solution used in electromigration experiments EM_SeO4/1, EM_SeO4/6 and EM_SeO4/7.
For experiments EM_SeO4/2 through EM_SeO4/5, the second dilution step consisted in mixing 100 Alof the first dilution with 20 Al of NaOH 0.1 N and 880 Al BCW.
After electromigration, each clay core is cut in 1-mm-thick slices, whose gamma activity is counted during 20 min in the 60–467 keV energy range with a Packard 5250 gamma counter, to obtain the distribution profile of Se in the clay core.
![帮忙翻译一下,本人英语水平有限,谢谢了,附有图片]()
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