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Statements

Subject Item
n2:RIV%2F00025798%3A_____%2F09%3A00000214%21RIV10-MZP-00025798
rdf:type
n4:Vysledek skos:Concept
dcterms:description
In this study, a Headspace Solid Phase Microextraction (HSPME) method was developed and evaluated for the purpose of capturing the gasoline range of hydrocarbons within unconsolidated sediment using a solventless protocol. The sediment SPME extraction method is based on the condition that phase/composition equilibrium is reached between sediment/water mix, container headspace, and SPME fiber coated with sorbent. In the experiments, the effectiveness of SPME to detect and measure low concentrations of migrated crude oil in marine sediments was evaluated. The following optimum laboratory procedure for SPME gasoline monitoring was established: collect the sample in sealed disrupter chamber (sealed sediment storage container which breaks apart sediment and releases interstitial volatile hydrocarbons), use a water bath to keep a stable laboratory temperature, use an NaCl saturated solution to help aromatic compounds move out of the solution to vapor phase, and wait a sufficient time to reach equilibrium. In this study, a Headspace Solid Phase Microextraction (HSPME) method was developed and evaluated for the purpose of capturing the gasoline range of hydrocarbons within unconsolidated sediment using a solventless protocol. The sediment SPME extraction method is based on the condition that phase/composition equilibrium is reached between sediment/water mix, container headspace, and SPME fiber coated with sorbent. In the experiments, the effectiveness of SPME to detect and measure low concentrations of migrated crude oil in marine sediments was evaluated. The following optimum laboratory procedure for SPME gasoline monitoring was established: collect the sample in sealed disrupter chamber (sealed sediment storage container which breaks apart sediment and releases interstitial volatile hydrocarbons), use a water bath to keep a stable laboratory temperature, use an NaCl saturated solution to help aromatic compounds move out of the solution to vapor phase, and wait a sufficient time to reach equilibrium.
dcterms:title
Development of methods to collect and analyze gasoline range (C5–C12) hydrocarbons from seabed sediments as indicators of subsurface hydrocarbon generation and entrapment Development of methods to collect and analyze gasoline range (C5–C12) hydrocarbons from seabed sediments as indicators of subsurface hydrocarbon generation and entrapment
skos:prefLabel
Development of methods to collect and analyze gasoline range (C5–C12) hydrocarbons from seabed sediments as indicators of subsurface hydrocarbon generation and entrapment Development of methods to collect and analyze gasoline range (C5–C12) hydrocarbons from seabed sediments as indicators of subsurface hydrocarbon generation and entrapment
skos:notation
RIV/00025798:_____/09:00000214!RIV10-MZP-00025798
n3:aktivita
n15:P
n3:aktivity
P(SP/1B7/156/07)
n3:cisloPeriodika
10
n3:dodaniDat
n12:2010
n3:domaciTvurceVysledku
n16:8918848
n3:druhVysledku
n13:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
310063
n3:idVysledku
RIV/00025798:_____/09:00000214
n3:jazykVysledku
n9:eng
n3:klicovaSlova
Gasoline hydrocarbons, SPME, surface geochemistry
n3:klicoveSlovo
n11:SPME n11:Gasoline%20hydrocarbons n11:surface%20geochemistry
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[CCFE82B3AA09]
n3:nazevZdroje
Applied Geochemistry
n3:obor
n10:DD
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n8:SP%2F1B7%2F156%2F07
n3:rokUplatneniVysledku
n12:2009
n3:svazekPeriodika
24
n3:tvurceVysledku
Abrams, Michael Dahdah, Nicola Franců, Eva
n3:wos
000271344900014
s:issn
0883-2927
s:numberOfPages
20