GC Analysis of PCBs in Transformer Oil on a 5% Phenyl Column after SPE using Supelclean™ Sulfoxide
Materiali
Colonna analitica
Colonnina o piastra per SPE
CONDITIONS
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
Descrizione
Applicazioni
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).
Note legali
Supelclean is a trademark of Sigma-Aldrich Co. LLC