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    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 331-331 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE find that the Tswett technique is appropriate for the accumulation and isolation of some interesting compounds occurring in lignites. Thus, light petroleum was allowed to percolate through 100 kgm. of lignite (coming from Varpalota, Hungary); the petroleum was sucked through a calcium ...
    Type of Medium: Electronic Resource
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