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引用次数: 20
摘要
为了证实Becker et al.(1994)对Allende陨石中富勒烯的早期观察，我们用甲苯处理了该陨石的9个单独的整块岩石碎片，以寻找可提取的C60和C70富勒烯。采用高效液相色谱法进行分析。在131.82 g的陨石中检测到少于1 ppb的C60和C70。Becker等人(1994年)估计，在一个阿连德样品中其含量为百万分之100。要么是他们严重高估了样品的C60含量，要么是阿连德对富勒烯非常不均匀。
Search for extractable fullerenes in the Allende meteorite
— In an effort to confirm earlier observations of fullerenes in the Allende meteorite by Becker et al. (1994), we have treated nine separate whole-rock chips of this meteorite with toluene to search for extractable C60 and C70 fullerenes. The analysis was done with high performance liquid chromatography. Less than 1 ppb C60 and C70 were detected in a total of 131.82 g of this meteorite. Becker et al. (1994) have estimated a content of 100 ppm in one Allende sample. Either they have grossly overestimated the C60 content of their sample, or Allende is very inhomogeneous concerning fullerenes.
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