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EPA Method 525.3 Internal and Surrogate Standards on Rxi-5Sil MS

PeakstR (min)
1.1,3-Dimethyl-2-nitrobenzene (SS) 7.03
2.Acenaphthene-D10 (IS) 11.09
3.Pentachlorophenol-C13 (IS)14.19
PeakstR (min)
4.Phenanthrene-D10 (IS) 14.61
5.Triphenyl phosphate (SS) 21.38
6.Chrysene-D12 (IS) 22.22
7.Benzo[a]pyrene-D12 (SS) 26.27
ColumnRxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
SampleEPA Method 525.3 PAH IS mix (cat.# 32547)
EPA Method 525.3 PCP IS (cat.# 32548)
EPA Method 525.3 surrogate standard (cat.# 32549)
Diluent:Ethyl acetate
Conc.:2 µg/mL
Inj. Vol.:1 µL pulsed splitless (hold 1 min)
Liner:Premium 4 mm single taper w/wool (cat.# 23303.1)
Inj. Temp.:275 °C
Pulse Pressure:30 psi (206.8kPa)
Pulse Time:1 min
Purge Flow:80 mL/min
Oven Temp.:70 °C (hold 1 min) to 200 °C at 10 °C/min to 320 °C at 7 °C/min (hold 3 min)
Carrier GasHe, constant flow
Flow Rate:1.2 mL/min
Scan Program:
GroupStart Time
Scan Range
Scan Rate
Transfer Line Temp.:280 °C
Analyzer Type:Quadrupole
Source Type:Extractor
Extractor Lens:6 mm ID
Source Temp.:350 °C
Quad Temp.:200 °C
Solvent Delay Time:5 min
Tune Type:DFTPP
Ionization Mode:EI
InstrumentAgilent 7890B GC & 5977A MSD
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