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Peanut shells as carbon source in this text, referring to Hummers method  for preparation,adding anhydrous ethanol carry out desalting purification under ice - cooling, has been functionalized carbon points. Under the conditions that width ratio of the slit is 5.0:10.0, Excited wavelength of it is 387 nm, emission wavelength of  is 469 nm. and perceiving Fe3 + has a good quenching effect on its in quenching test of metal ions , Therefore£¬The kinds of fluorescent carbon points can be applied in the detection of metal ion to detect Fe3 + ion
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3Â¥: Originally posted by kivski at 2014-05-18 09:44:28
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