GC Chromatograms

GC CHROMATOGRAMS | PETROLEUM & PETROCHEMICAL
Fuels
Total Glycerin in Biodiesel on MXT®-Biodiesel TG
Integra-Gap® Technology
• Built-in retention gap
• Eliminates connector
The best solution for
analyzing total glycerin
in biodiesel!
Retention Gap
Liquid Phase
GC_PC00969
Column
MXT®-Biodiesel TG, 14 m w/2 m Integra-Gap® (16 m total length),
0.53 mm ID, 0.16 μm (cat.# 70289)
Sample
Biodiesel (B100), derivatized
Diluent:
Heptane
Injection
Inj. Vol.:
1 μL cold on-column
Temp. Program: Oven track
Oven
Oven Temp: 50 °C (hold 1 min) to 180 °C at 15 °C/min to 230 °C at 7 °C/min to 380 °C
at 30 °C/min (hold 5 min)
Carrier Gas H2, constant flow
Flow Rate: 4 mL/min
Detector FID @ 380 °C
Biodiesel Oil (B100) on Rtx®-Biodiesel TG
A. Rtx®-Biodiesel TG
with Alumaseal® connector and
2 meters of 0.53 mm ID Hydroguard® tubing
B. Rtx®-Biodiesel TG
with universal Press-Tight® connector and
2 meters of 0.53 mm ID Hydroguard® tubing
GC_PC00905
Column Rtx®-Biodiesel TG, 10 m, 0.32 mm ID, 0.10 μm (cat.# 10291)
using Hydroguard® retention gap 2 m, 0.53 mm ID
Sample
Biodiesel (B100) with butanetriol
Conc.:
12.5 ppm (12.5 ng on-column)
Injection
Inj. Vol.:
1.0 μL cold on-column
Temp. Program: Oven track mode
Oven
Oven Temp: 50 °C (hold 1 min) to 180 °C at 15 °C/min to 230 °C at 7 °C/min to 380 °C
at 30 °C/min (hold 5 min)
Carrier Gas H2, constant flow
Flow Rate: 4 mL/min
Linear Velocity: 79 cm/sec
Detector FID @ 380 °C
654 www.restek.com 1-800-356-1688 or 1-814-353-1300