2009
DOI: 10.1590/s0100-40422009000400006
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Validation of an analytical methodology for the quantitative analysis of petroleum hydrocarbons in marine sediment samples

Abstract: Recebido em 18/2/08; aceito em 20/10/08; publicado na web em 25/3/09This work describes a validation of an analytical procedure for the analysis of petroleum hydrocarbons in marine sediment samples. The proposed protocol is able to measure n-alkanes and polycyclic aromatic hydrocarbons (PAH) in samples at concentrations as low as 30 ng/g, with a precision better than 15% for most of analytes. The extraction efficiency of fortified sediments varied from 65.1 to 105.6% and 59.7 to 97.8%, for n-alkanes and PAH in… Show more

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Cited by 11 publications
(7 citation statements)
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“…9,10 Typical limits of detection (LOD) for FID range from low ppb to low ppm levels, depending on the chromatographic conditions. 11,12 An FID is selective to organic carbon; EI-MS leads to inherent fragmentation in case of alkanes with very similar fragments. Therefore, both of these standard methods do not allow resolution and identification of all specific compounds in hydrocarbon mixtures like crude oil.…”
Section: ■ Introductionmentioning
confidence: 99%
“…9,10 Typical limits of detection (LOD) for FID range from low ppb to low ppm levels, depending on the chromatographic conditions. 11,12 An FID is selective to organic carbon; EI-MS leads to inherent fragmentation in case of alkanes with very similar fragments. Therefore, both of these standard methods do not allow resolution and identification of all specific compounds in hydrocarbon mixtures like crude oil.…”
Section: ■ Introductionmentioning
confidence: 99%
“…Damas et al 12 verificou valores de 65,1 a 105,6% para n-alcanos. Em Freitas 32 , a recuperação foi de 67,6 a 139,0% para n-alcanos.…”
Section: Matriz Fortificadaunclassified
“…Os valores de LDM obtidos nesse trabalho são compatíveis com aqueles reportados por outros trabalhos. Damas et al 12 encontrou valores variando entre 0,019 a 0,036 µg g -1 para n-alcanos; enquanto que Freitas 32 verificou valores entre 0,001 a 0,006 µg g -1 para n-alcanos. Já Martins et al 25 apresentou o valor médio de 0,001 µg g -1 para n-alcanos e 0,01 µg g -1 para OLs.…”
Section: Limite De Detecção Do Métodounclassified
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