"Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls"@en . "Z(MSM 153100013)" . "98" . . "80-85" . . "Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls" . . . . . "Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls"@cs . "PERFORMANCE LIQUID-CHROMATOGRAPHY;SOLID-PHASE EXTRACTION;FLUORESCENCE DETECTION;WATER SAMPLES;PCBS;PAHS;PRECONCENTRATION;SEDIMENTS;SOIL;HPLC"@en . "3"^^ . "2" . . . "569080" . "RIV/61989592:15310/04:00002203!RIV/2005/MSM/153105/N" . . . "[37272B4EF54C]" . "15310" . . "Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls" . "2"^^ . "PAU a PCB jsou v\u00FDznamn\u00FDmi kontaminanty \u017Eivotn\u00EDho prost\u0159ed\u00ED. Sledov\u00E1n\u00ED jejich obsahu je d\u016Fle\u017Eit\u00FDm \u00FAkolemkontroln\u00EDch laborato\u0159\u00ED. V r\u016Fzn\u00FDch slo\u017Ek\u00E1ch \u017Eivotn\u00EDho prost\u0159ed\u00ED se vyskytuj\u00ED zpravidla ve stopov\u00FDch koncentrac\u00EDch(ng.l-1, ug.l-1, ng.kg-1, ug.kg-1). Vzhledem k tomu je nezbytn\u00E9 v\u011Bnovat p\u0159i jejich stanoven\u00ED znaanou pozornost odb\u011Brua zpracov\u00E1n\u00ED vzorku p\u0159ed vlastn\u00ED analytickou koncovkou. V\u00FDznamnou sou\u010D\u00E1st\u00ED postupu stanoven\u00ED je izolacevzorku, ke kter\u00E9 lze vyu\u017E\u00EDt \u0159adu metod zm\u00EDn\u011Bn\u00FDch v t\u00E9to pr\u00E1ci, p\u0159i\u010Dem\u017E p\u0159i volb\u011B vhodn\u00E9ho za\u0159\u00EDze\u00ED hraje v\u00FDznamnou roli matrice, ve kter\u00E9 maj\u00ED b\u00FDt analyty stanoveny. V \u010Cesk\u00E9 republice jsou k dispozici platn\u00E9 normy pouze pro stanoven\u00ED PAUresp. PCB ve vzorc\u00EDch vod."@cs . "\u010C\u00E1p, Lubom\u00EDr" . . . "0009-2770" . "6"^^ . "CZ - \u010Cesk\u00E1 republika" . "RIV/61989592:15310/04:00002203" . "PAU a PCB jsou v\u00FDznamn\u00FDmi kontaminanty \u017Eivotn\u00EDho prost\u0159ed\u00ED. Sledov\u00E1n\u00ED jejich obsahu je d\u016Fle\u017Eit\u00FDm \u00FAkolemkontroln\u00EDch laborato\u0159\u00ED. V r\u016Fzn\u00FDch slo\u017Ek\u00E1ch \u017Eivotn\u00EDho prost\u0159ed\u00ED se vyskytuj\u00ED zpravidla ve stopov\u00FDch koncentrac\u00EDch(ng.l-1, ug.l-1, ng.kg-1, ug.kg-1). Vzhledem k tomu je nezbytn\u00E9 v\u011Bnovat p\u0159i jejich stanoven\u00ED znaanou pozornost odb\u011Brua zpracov\u00E1n\u00ED vzorku p\u0159ed vlastn\u00ED analytickou koncovkou. V\u00FDznamnou sou\u010D\u00E1st\u00ED postupu stanoven\u00ED je izolacevzorku, ke kter\u00E9 lze vyu\u017E\u00EDt \u0159adu metod zm\u00EDn\u011Bn\u00FDch v t\u00E9to pr\u00E1ci, p\u0159i\u010Dem\u017E p\u0159i volb\u011B vhodn\u00E9ho za\u0159\u00EDze\u00ED hraje v\u00FDznamnou roli matrice, ve kter\u00E9 maj\u00ED b\u00FDt analyty stanoveny. V \u010Cesk\u00E9 republice jsou k dispozici platn\u00E9 normy pouze pro stanoven\u00ED PAUresp. PCB ve vzorc\u00EDch vod." . "Determination of polycyclic aromatic hydrocarbons (PAH) and polychlorinated biphenyls (PCB) as important contaminants of environment is a task of many control laboratories. Suitable methods of sample treatment and isolation of analytes must be used due to low contents of the compounds in complex matrices. Individual steps of PCB and PAH analyses are mentioned, the main emphasis being put on the published methods of isolation. Treatment of liquid as well as solid samples using, e.g., liquid-liquid extraction, cloud point preconcentration, solid phase extraction including microextraction and extraction disks, application of membranes, accelerated solvent extraction, Soxhlet extraction, supercritical fluid extraction and microwave application is presented. Many of the mentioned processes offer interesting alternatives for isolation, but careful validation is necessary before they are used in laboratory practice."@en . . . . "Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls"@en . . . "Miko\u0161kov\u00E1, J." . . . . "Isolation procedures for determination of polycyclic aromatic hydrocarbons and polychlorinated biphenyls"@cs . . . "Chemick\u00E9 listy" . "Lemr, Karel" .