602
GCCHROMATOGRAMS |
ENVIRONMENTAL
Glycols
Glycols
Stabilwax
®
Column:
Stabilwax
®,
30m, 0.53mmID, 1.0µm (cat.# 10655)
Inj.:
1.0µL direct injection, open-topUniliner
®
inlet liner
without wool (cat.# 20843-205)
Conc.:
150ppm
Solvent:
water/methanol (50:50)
Oven temp.:
80°C to 200°C@ 8°C/min. (hold 10min.)
Septa purge:
5.0cc/min.
Carrier gas:
helium
Linear velocity:
50cm/sec.
Column flow rate:
6.9mL/min.
Det.:
FID@ 270°C
Make up gas flow: 45cc/min.
1. 1,2-propylene glycol
2. ethylene glycol
3. 1,3-butylene glycol
4. 1,3-propylene glycol
5. 1,4-butylene glycol
6. diethylene glycol
7. glycerol
GC_EV00476
Column:
Stabilwax
®,
30m, 0.53mm ID, 1.0µm
(cat.# 10655)
Inj.:
1.0µL of direct injection of glycols in
water. Open-topUniliner
®
inlet liner
without wool (cat.# 20843-205)
Conc.:
100ppm
Oven temp.:
80°C (hold 1min.) to 200°C@
8°C/min. (hold 5min.)
Inj./det. temp.:
225°C/250°C
Carrier gas:
helium
Linear velocity:
50cm/sec.
Det.:
FID
Septum Purge:
5.0cc/min.
min.8.0
9.0
10.0
11.0
~
1. propylene glycol
2. ethylene glycol
1
2
GC_EV00546
Glycols
Stabilwax
®
Glycols
Rtx®-BAC1&Rtx®-BAC2
1. ethylene glycol
2. propylene glycol
Rtx®-BAC1
Rtx®-BAC2
Columns:
Rtx
®
-BAC1, 30m, 0.32mm ID, 1.8µm
(cat.# 18003)
Rtx
®
-BAC2, 30m, 0.32mm ID, 1.2µm
(cat.# 18002)
Inj.:
0.5µL split injection
Conc.:
1%
Solvent:
methanol
Oven temp.:
100°C to 240°C@ 5°C/min. (hold 5min.)
Inj. temp.:
240°C
Inj. mode:
100:1 split
Inlet liner:
4mm single gooseneck (cat.# 20798)
Septa purge:
5.0cc/min.
Carrier gas:
helium, constant pressure
Pressure:
12psi
Linear velocity:
37cm/sec.
Column flow rate: 2.1mL/min.
Det.:
FID@ 240°C
Make-up gas flow: 40cc/min.
GC_EV00474
Website :
E-mail :
TelNo : 03 9762 2034 . . . inAUSTRALIA
Mar 2011
