US EPA

1991229 

Journal Article 

1Headspace solid phase microextraction (HSSPME) for the determination of volatile and semivolatile pollutants in soils 

Llompart, M; Li, K; Fingas, M 

1999 

1 

Talanta
ISSN: 0039-9140
EISSN: 1873-3573 

48 

2 

451-459 

English 

BIOSIS COPYRIGHT: BIOL ABS. We have investigated the use of headspace solid phase microextraction (HSSPME) as a sample concentration and preparation technique for the analysis of volatile and semivolatile pollutants in soil samples. Soil samples were suspended in solvent and the SPME fibre suspended in the headspace above the slurry. Finally, the fibre was desorbed in the Gas Chromatograph (GC) injection port and the analysis of the samples was carried out. Since the transfer of contaminants from the soil to the SPME fibre involves four separate phases (soil-solvent-headspace and fibre coating), parameters affecting the distribution of the analytes were investigated. Using a well-aged artificially spiked garden soil, different solvents (both organic and aqueous) were used to enhance the release of the contaminants from the solid matrix to the headspace. It was found that simple addition of water is adequate for the purpose of analysing the target volatile organic chemicals (VOCs) in soil. The addi 

BIOCHEMISTRY/METHODS; BIOPHYSICS/METHODS; AIR POLLUTION; SOIL POLLUTANTS; WATER POLLUTION; METHODS; Biochemical Methods-General; Biophysics-General Biophysical Techniques; Public Health: Environmental Health-Air; Soil Science-General; 541-73-1; 108-90-7; 108-88-3; 106-46-7; 106-42-3; 100-41-4; 95-50-1; 95-47-6