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Semivolatile Organics in Drinking Water on Rxi-5Sil MS by EPA Method 525.2

Column | Rxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623) |
Sample | Method 525.2 internal standard mix (cat.# 31825) |
Method 525.2 surrogate standard mix (cat.# 31826) | |
Method 525.2 semivolatile mix (revised) (cat.# 31899) | |
Organochlorine pesticide mix #2 (rev), Method 525.2 (cat.# 33011) | |
Organonitrogen pesticide mix #1 (rev), Method 525.2 (cat.# 33012) | |
Organophosphorus pesticide mix #1 (rev), Method 525.2 (cat.# 33013) | |
Method 525.2 nitrogen/phosphorus pesticide mix #2 (cat.# 32423) | |
Diluent: | Acetone |
Conc.: | 8 µg/mL (IS/SS 25 μg/mL) |
Injection | |
Inj. Vol.: | 1 µL pulsed splitless (hold 0.59 min) |
Liner: | Premium 4 mm single taper w/wool (cat.# 23303.5) |
Inj. Temp.: | 270 °C |
Pulse Pressure: | 30 psi (206.8kPa) |
Pulse Time: | 0.64 min |
Purge Flow: | 100 mL/min |
Oven | |
Oven Temp.: | 50 °C (hold 1 min) to 285 °C at 30 °C/min to 305 °C at 3 °C/min to 320 °C at 30 °C/min (hold 1 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1.2 mL/min |
Linear Velocity: | 39.723 cm/sec @ 40 °C |
Detector | MS |
Mode: | Scan |
Transfer Line Temp.: | 280 °C |
Analyzer Type: | Quadrupole |
Source Temp.: | 270 °C |
Quad Temp.: | 150 °C |
Solvent Delay Time: | 4 min |
Tune Type: | DFTPP |
Ionization Mode: | EI |
Scan Range: | 35-550 amu |
Scan Rate: | 5.36 scans/sec |
Instrument | Agilent 7890A GC & 5975C MSD |
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