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G004220

GC Analysis of PCBs in Transformer Oil on a 5% Phenyl Column after SPE using Supelclean Sulfoxide

suitable for GC, application for SPE

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technique(s)

gas chromatography (GC): suitable
solid phase extraction (SPE): suitable

test parameters

SPE tube/cartridge: Supelclean Sulfoxide SPE Tube, Glass 6 g/20 mL (55252-U)
sample preparation: SPE (Solid Phase Extraction)
column: 5% phenyl polysiloxane (Supelco equivalent, SLB-5ms, 28471-U)
sample addition: transformer oil spiked with PCBs
detector: QMS (For full method details, please see reference (1))
extraction process: Sample Pre-treatment: paraffin oil was spiked with a Kanechlor PCB mix at the total levels of 3.7 ppm (mg/kg) and diluted with hexane (1:1 v/v). (Commercial insulation oil (Japan Industrial Standard JIS C2320-1999, insulating oil, Class 1-2/4).)
condition: 20 mL acetone; 40 mL of hexane
sample addition: 0.4 mL diluted oil sample
elution: 12 mL hexane (elutes oil interferences); 25 mL hexane (elutes PCBs)
eluate post-treatment: concentrate under nitrogen

suitability

application for SPE

application(s)

environmental

Application

Sample Pre-treatment:
Commercial insulation oil (Japan Industrial Standard JIS C2320-1999, insulating oil, Class 1-2/4, paraffin oil) was spiked with a Kanechlor PCB mix at the total levels of 3.7 ppm (mg/kg) and diluted with hexane (1:1 v/v).

Legal Information

Supelclean is a trademark of Sigma-Aldrich Co. LLC

analytical column


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Masahiko Numata et al.
Analytical chemistry, 75(6), 1450-1457 (2003-03-28)
A novel sample extraction technique for polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) analysis using microwave-heating device is developed. In this study, microwave-assisted extraction (MAE) and steam distillation techniques were combined. Desorption of the anatytes from solid matrixes was accelerated

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