The organic composition of the Allan Hills carbonaceous chondrite (77306) as determined by pyrolysis-gas chromatography-mass spectrometry and other methods

The organic composition of the Allan Hills carbonaceous chondrite (77306) as determined by pyrolysis-gas chromatography-mass spectrometry and other methods
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通过热解-气相色谱-质谱等方法测定Allan Hills碳质球粒陨石(77306)的有机成分

DOI:
10.1007/bf01739485
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发表时间:
2005
影响因子:
3.9
通讯作者:
J. Oró
J. Oró
中科院分区:
生物学3区
文献类型:
--
作者:
G. Holzer;J. Oró

文献摘要

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测定了南极Allan Hills陨石(ALHA 77306.9和ALHA 77306.17)的氨基酸组成和热解有机含量。热解产物与墨尔奇森陨石的热解产物非常相似。已鉴定的氨基酸存在于相当低的水平,它们是外消旋的,在结构上与在Murchison陨石中观察到的相似。这表明这些化合物在陨石母体中可能是化学合成的。Allan Hills陨石没有被检测到受到污染。
The amino acid composition and the pyrolyzable organic content of the Antarctic Allan Hills meteorite (ALHA 77306.9 and ALHA 77306.17) was examined. The pyrolysis products are very similar to those of the Murchison meteorite. The identified amino acids are present at quite low levels, they are racemic and are structurally similar to those observed in the Murchison meteorite. This indicates the possible chemical synthesis of these compounds in the meteorite parent body. The Allan Hills meteorite is not detectably contaminated.