640
GC CHROMATOGRAMS |
FOODS, FLAVORS & FRAGRANCES
Sugars
3 4
6
8
Column:
Rt
®
-2330, 15m, 0.32mm ID, 0.20µm (cat.# 10721)
Inj.:
0.6µL split injection
Oven temp.:
175°C (hold 2 min.) to 240°C @ 8°C/min. (hold 1
min.) to 265°C @ 8°C/min. (hold 12 min.)
Inj./det. temp.:
275°C
Carrier gas:
helium
Linear velocity:
80cm/sec. (flow rate: 10cc/min.)
FID sensitivity:
2 x 10
-11
AFS
Split ratio:
20:1
Sugars (Alditol Acetates)
Rt®-2330
GC_FF00127
1
2
5
7
9 10
11
12
13
14
15
16
min.
2
4
6
8
10
12
14
16
18
20
22
1. glyceraldehyde
2. deoxyribitol
3. rhamnitol
4. fucitol
5. ribitol
6. arabinitol
7. xylitol
8. deoxyglucitol
9. mannitol
10. galactitol
11. glucitol
12. inositol
13. glucoheptitol
14.
n
-acetyl galactose amine
15.
n
-acetyl glucose amine
16. 2-keto-3-deoxyoctanate
5
Sugars (Alditol Acetates)
Rtx®-225
GC_FF00128
87
6
4
3
2
1
1. rhamnitol
2. fucitol
3. ribitol
4. arabinitol
5. mannitol
6. galactitol
7. glucitol
8. inositol
Column:
Rtx
®
-225, 15m, 0.25mm ID, 0.25µm
(cat.# 14020)
Inj.:
0.5µL split injection
Oven temp.:
190°C (hold 5 min.) to 250°C
@ 8°C/min. (hold 5 min.)
Inj./det. temp.:
260°C
Carrier gas:
hydrogen
Linear velocity:
42cm/sec. set @ 40°C
FID sensitivity:
16 x 10
-11
AFS
Split ratio:
50:1
min.
2.5
5
7.5
10
12.5
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
