3
1. acetaldehyde
2. methanol
3. ethanol
4. acetone
5. ethyl formate
6. isopropanol
7.
n
-propanol
8. ethyl acetate
9.
sec
-butanol
10. isobutanol
11. isoamyl alcohol
12. active amyl alcohol
13.
n
-amyl alcohol
60m, 0.25mm ID, 1.4µmRtx
®
-1301 (cat.# 16016)
1.0µL split injection using aCyclosplitter
®
sleeve (cat.# 20706).
Concentration: neat
Oven temp.:
35°C (hold 5min.) to 100°C@1°C/min.
Inj./det. temp.: 150°C / 200°C
Carrier gas:
hydrogen@40cm/sec.
Split ratio:
100:1
min. 5
10
15
20
25
1
2
4
5
6
7
8
3
9
10
11
12
13
GC_FF00110
5%Carbowax
®
20M 80/120CarboBlack
™
B (cat.# 80105)
2m, 1/8"OD x 2mm IDSilcoSmooth
™
tubing
0.5µL on-column injection of fusel oils in rum,
Concentration:
neat
Oven temp.:
65°C (hold 5min.) to 150°C@
4°C/min.
Inj./det. temp.:
200°C / 250°C
Det.:
FID
Carrier gas:
nitrogen
Column flow rate: 20mL/min.
FID sensitivity:
1.28 x 10
-10
AFS
1
2
3
4
5
6
7
8
9
12
11
10
min.
10
20
GC_FF00111
1. acetaldehyde
2. methanol
3. acetone
4. ethyl formate
5. ethanol
6. ethyl acetate
7.
n
-propanol
8.
sec
-butanol
9. isobutanol
10. active amyl alcohol
11. isoamyl alcohol
12.
n
-amyl alcohol
AnRtx
®
-1301 capillary column offers excellent resolution of alcohols and fusel oils.
Difficult-to-monitor alcoholic beverage componentsmethanol, active amyl alcohol, and isoamyl alcohol can be quantified
from a packed column analysis, using 5%Carbowax
®
on CarboBlack
™
B.
Figure 1
Figure 2
Baseline Separation!
