This is an Application Brief and does not contain a detailed Experimental section.
This application brief demonstrates the determination of Polycyclic aromatic hydrocarbons in ground water and wastes.
Polycyclic aromatic hydrocarbons (PAHs) are one of the most widespread organic pollutants. PAHs are made up of fused aromatic rings and are formed during the combustion of carbon-based fuels (wood, coal, diesel), as well as being present in crude oil. The United States Environmental Protection Agency (US EPA) has classified seven PAH compounds as being potentially carcinogenic including benz[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, chrysene, dibenz[a,h]anthracene, and indeno[1,2,3-cd]pyrene.
Instrument: |
Waters Alliance HPLC System with PDA and Fluorescence Detectors |
Eluent: |
Water/Acetonitrile |
Column: |
Waters PAH 4.6 x 250 mm @ 30 °C |
Injection: |
20 μL of Supelco standard EPA 610 (#48743) diluted 1:50 in 40:60 water/acetonitrile |
Flow rate: |
1.2 mL/min |
Detection: |
UV @ 254 nm and fluorescence using timed programmed wavelengths |
Data: |
Waters Empower Software |
MeCl2 extraction.
Filter and degas through a 0.45 μm filter.
A: Water
B: Acetonitrile
1 Fluorescence mode used for detection limit determination, no pre concentration. Seven replicates per 40 CFR pt. 136 App. B.
2 Regulated compound; action level 0.17 ppb.
PAH target analytes.
720002736, August 2008