1mx2.3mm ID SUS column, 80/100 mesh, 175°C, 25mL/min N2 , FID
group Connection
Porapak P
Porapak Q
Porapak R
Porapak S
Porapak N
Porapak T
Acids Acetic acid
0.39
1.08
2.14
3.68
4.18
5.21
Propionic acid
0.65
2.42
4.75
9.05
9.11
10.68
iso-Butyric acid
0.91
4.43
8.28
16.41
16.32
18.13
Butyric acid
1.05
5.22
9.87
19.71
19.80
22.30
iso-valeric acid
1.52
9.69
16.85
36.81
36.79
39.50
Valeric acid
1.89
12.12
21.70
45.70
45.30
48.90
Alcohols Methanol
0.24
0.35
0.39
0.48
0.61
0.69
Ethanol
0.30
0.60
0.63
0.76
1.21
1.20
iso-propanol
0.37
0.91
0.89
1.03
1.79
1.90
tert-butanol
0.38
1.40
1.35
1.69
2.56
2.67
n-propanol
0.43
1.22
1.24
1.53
2.52
2.60
sec-butanol
0.50
1.93
1.85
2.40
3.69
3.81
iso-butanol
0.61
2.18
2.16
2.72
4.63
4.74
tert-Pentanol
0.62
3.17
2.90
3.78
5.87
5.84
n-butanol
0.69
2.58
2.68
3.39
5.78
5.74
iso-pentanol
1.07
4.87
4.75
6.14
10.82
10.76
n-Pentano
1.10
5.63
5.67
7.04
12.88
12.40
Aldehydes Acetaldehydes
0.24
0.44
0.39
0.49
0.65
0.71
Propionaldehyde
0.35
0.87
0.79
0.97
1.44
1.46
Acrorein
0.35
0.81
0.77
0.91
1.44
1.52
iso-butylaldehyde
0.46
1.51
1.37
1.67
2.54
2.50
Butyl aldehyde
0.54
1.77
1.62
1.96
3.07
3.04
alkanes Pentanes
0.34
1.24
1.02
1.19
1.39
1.10
Hexane
0.48
2.56
2.03
2.46
3.00
2.20
Heptane
0.73
5.26
4.27
5.03
6.22
4.39
Octane
1.14
10.99
8.54
10.36
13.28
8.94
Aromatics Benzene
0.87
2.76
2.56
3.00
4.00
3.74
Toluene
1.33
5.72
5.31
6.41
8.54
7.61
Ethyl benzene
2.09
11.60
1069
12.98
17.58
15.05
o-Xylene
2.52
13.48
12.53
15.32
20.79
18.05
Chloroalkyls Methylene Chloride
0.41
0.98
0.94
1.09
1.48
1.67
Chloroform
0.59
1.89
1.76
2.15
2.91
3.04
Carbon tetrachloride
0.75
2.87
2.42
2.98
3.49
3.04
1,2-Dichloroethanes
0.78
2.28
2.16
2.56
3.84
4.09
1,2-Dichloropropanes
0.98
3.84
3.47
4.23
6.29
6.37
Esters Methyl formate
0.27
0.51
0.53
0.57
0.91
0.94
Methyl acetate
0.38
1.01
0.97
1.11
1.74
1.75
Ethyl acetate
0.52
1.99
1.83
2.15
3.30
3.16
Methyl propionate
0.57
1.99
1.83
2.15
3.30
3.16
Butyl acetate
1.39
8.78
7.35
9.44
14.60
13.88
ether Diethyl ether
0.33
1.41
0.98
1.27
1.45
1.28
Ketones Acetones
0.33
0.89
0.81
0.96
1.59
1.66
Inorganic water
0.25
0.32
0.41
0.35
0.61
0.83