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

column

⁽¹D) SLB-IL60, 30 m x 0.25 mm I.D., 0.20 μm (29505-U)

column

(²D) SLB-5ms, 1 m x 0.18 mm I.D., 0.14 μm

oven

(¹D) 60 °C, 10 °C/min to 225 °C (5 min)

oven

(²D) 75 °C, 10 °C/min to 240 °C (5 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, 1.2 mL/min

injection

1 μL 50:1 split

sample

B20 biodiesel