CN
US EPA Method 8270: GC Analysis of Semivolatiles on SLB®-5ms, 350 °C Final Oven Temp.
Materials
analytical column
Product No.
Description
Pricing
CONDITIONS
column
SLB-5ms, 30 m x 0.25 mm I.D., 0.25 μm (28471-U)
oven
40 °C (3 min), 20 °C/min to 100 °C, 15 °C/min to 200 °C, 30 °C/min to 350 °C (3 min)
inj. temp.
250 °C
MSD interface
350 °C
scan range
m/z 40-450
carrier gas
helium, ramped flow, 1 mL/min. (8 min), 10 mL/min2 to 1.5 mL/min (hold for remainder of run)
injection
0.5 μL splitless (0.3 min)
liner
2 mm I.D., straight
sample
25 ng on-column of a 72 component semivolatile standard and 8 surrogates, plus 6 internal standards (at 20 ng on-column)
Description
Analysis Note
Typical run times for US EPA Method 8270 range from 23 to 45 minutes. In this application, the high maximum operating temperature of the SLB-5ms was utilized to reduce run time to < 19 minutes.
Legal Information
SLB is a registered trademark of Merck KGaA, Darmstadt, Germany