15+1 EU Priority PAHs


Column: DB-EUPAH 121-9627 20 m x 0.18 mm, 0.14 µm


Carrier: Inlet:


Oven:


Instrument: Agilent 6890N/5975B MSD Sampler: Agilent 7683B, 5.0 µL syringe (Agilent p/n 5181-1273) 0.5 µL splitless injection, injection speed 75 µL/min


Detector: MSD source at 300°C, quadrupole at 180°C, transfer line at 330°C, Scan range 50-550 AMU


45°C (0.8 min) to 200°C (45°C/min), 2.5°C/min to 225°C, 3°C/min to 266°C, 5°C/min to 300°C, 10°C/min to 320°C (4.5 min)


325°C splitless, purge flow 60 mL/min at 0.8 min Resolution of Critical Pairs on an Agilent J&WDB-EUPAH Column


10000 11000 12000 13000 14000


1000 2000 3000 4000 5000 6000 7000 8000 9000


0 10.00 15.00 20.00 25.00 Time 30.00 35.00 40.00 EU_PAHs 1 Rs 2.4 Rs 2.7 4 Rs 1.7 2 3 5 6 7 8 9 Rs 1.6 Rs 2.6 12 10 11 13 14 16 15


1. Benzo[c]fluorene 2. Benz[a]anthracene 3. Cyclopenta[c,d]pyrene 4. Chrysene 5. 5-Methylchrysene 6. Benzo[b]fluoranthene 7. Benzo[k]fluoranthene 8. Benzo[j]fluoranthene 9. Benz[a]pyrene 10. Indeno[1,2,3-cd]pyrene 11. Dibenzo[a,h]anthracene 12. Benzo[g,h,i]perylene 13. Dibenzo[a,l]pyrene 14. Dibenzo[a,e]pyrene 15. Dibenzo[a,i]pyrene 16. Dibenzo[a,h]pyrene


Suggested Supplies Septum: 11 mm Advanced Green septa, 5183-4759 Liner: Direct connect, dual taper, deactivated, 4 mm ID, G1544-80700


Syringe: 5 µL tapered, FN 23-26s/42/HP, 5181-1273


Helium, ramped flow 1.0 mL/min (0.2 min), 5 mL/min2 to 1.7 mL/min


All 15+1 EU regulated priority PAHs are well resolved with the DB-EUPAH column. Challenging Benzo(b,k,j)fluoranthene isomers are baseline resolved, allowing for accurate quantitation of each isomer. In addition, baseline resolution is achieved for critical pairs benz[a]anthracene and cyclopenta[c,d]pyrene, cyclopenta[c,d]pyrene and chrysene, and indeno[1,2,3-cd]pyrene and dibenz[a,h]anthracene. This application demonstrates that the DB-EUPAH column can provide excellent sensitivity and selectivity for the analysis of EU regulated PAHs.


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Abundance


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