. . "P(GA205/03/1468), P(IAA3111306), Z(AV0Z10100520)" . . . . "43" . "Byly testov\u00E1ny r\u016Fzn\u00E9 metody extrakce u\u017E\u00EDvan\u00E9 pro z\u00EDsk\u00E1v\u00E1n\u00ED fulleren\u016F z p\u0159\u00EDrodn\u00EDch uhl\u00EDkat\u00FDch materi\u00E1l\u016F. Pro anal\u00FDzu toluenov\u00FDch extrakt\u016F byla pou\u017E\u00EDv\u00E1na metoda HPLC. V\u00FDt\u011B\u017Eky C60 byly p\u0159ekvapiv\u011B n\u00EDzk\u00E9 (pod 5%) pro v\u0161echny typy matric."@cs . . "9"^^ . "Low extraction recovery of fullerene from carbonaceous geological materials spiked with C60." . "Boh\u00E1\u010Dek, Z." . . . "N\u00EDzk\u00FD v\u00FDt\u011B\u017Eek extrakce fulleren\u016F z uhl\u00EDkat\u00FDch geologick\u00FDch materi\u00E1l\u016F obohacen\u00FDch C60."@cs . . "-" . "Hamplov\u00E1, V\u011Bra" . "1909;1917" . "Low extraction recovery of fullerene from carbonaceous geological materials spiked with C60."@en . . "coal; graphite; fullerene; chromatography; bonding"@en . . "Pokorn\u00E1, Zde\u0148ka" . . "Low extraction recovery of fullerene from carbonaceous geological materials spiked with C60."@en . . "Weishauptov\u00E1, Zuzana" . . "Soxhlet extraction, sonication, and ultracritical extraction were tested with respect to their capacity to extract fullerenes from natural carbonaceous materials. Surprisingly low yields of the C60 extraction (most of them well below 5%) were determined for all the carbonaceous matrices and all the extraction techniques employed in the fullerene isolation."@en . "528453" . . "Juha, Libor" . "[88475EDB6B07]" . "RIV/68378271:_____/05:00023434" . "Jehli\u010Dka, J." . . "7"^^ . . . "Soxhlet extraction, sonication, and ultracritical extraction were tested with respect to their capacity to extract fullerenes from natural carbonaceous materials. Surprisingly low yields of the C60 extraction (most of them well below 5%) were determined for all the carbonaceous matrices and all the extraction techniques employed in the fullerene isolation." . "Carbon" . . "Low extraction recovery of fullerene from carbonaceous geological materials spiked with C60." . "RIV/68378271:_____/05:00023434!RIV06-AV0-68378271" . . "0008-6223" . "Frank, O." . . "3"^^ . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "N\u00EDzk\u00FD v\u00FDt\u011B\u017Eek extrakce fulleren\u016F z uhl\u00EDkat\u00FDch geologick\u00FDch materi\u00E1l\u016F obohacen\u00FDch C60."@cs . .