G003579
US EPA Method 525.2: GC Analysis of Semivolatiles on SLB®-5ms
suitable for GC
technique(s)
gas chromatography (GC): suitable
test parameters
column: SLB-5ms, 30 m x 0.25 mm I.D., 0.25 μm (28471-U)
oven: 45 °C (1 min), 50 °C/min to 130 °C (1 min), 12 °C/min to 180 °C, 7 °C/min to 240 °C, 12 °C/min to 330 °C (2 min)
inj. temp.: 275 °C
MSD interface: 330 °C
scan range: m/z = 45-450
carrier gas: helium, 0.9 mL/min., constant flow
injection: 1 μL pulsed splitless (15 psi until 0.20 min) (1.0 min)
liner: 4 mm I.D., single taper
sample: 2 ppm, in ethyl acetate, of a 102 component semivolatile standard plus 3 surrogate and 3 internal standard compounds (at 5 ppm)
application(s)
environmental
food and beverages
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