GCxGC Analysis of B20 Biodiesel on SLB^®-5ms x SLB-IL60, Non-Polar to Polar Strategy

column

(¹D) SLB-5ms, 30 m x 0.25 mm I.D., 0.25 μm (28471-U)

column

(²D) SLB-IL60, 1 m x 0.10 mm I.D., 0.08 μm

oven

(¹D) 40 °C (2 min), 4 °C/min to 270 °C (20 min)

oven

(²D) 55 °C (2 min), 4 °C/min to 280 °C (20 min)

oven

(modulator) temp. offset 30 °C; modulation period 3 sec

inj. temp.

250 °C

detector

TOFMS, mass range 35-450 m/z, acquisition rate 200 spectra/sec, ion source temp. 250 °C

carrier gas

helium, 1.0 mL/min

injection

1 μL 50:1 split

sample

B20 biodiesel