|
Packing:
|
UltraSep
ES PHEN
|
Column:
|
250
x 3 mm
|
Detection:
|
UV
212 nm
|
Eluent:
|
Water/acetonitrile
(AN)
|
| Gradient: |
Start
22% AN
5. min
23% AN
48. min 45% AN
56. min 64% AN
|
Flow
rate:
|
0.4
ml/min
|
Temperature:
|
25°C
|
|
BTXE-Phenole
|
|
1
|
Hydroquinone
|
13 |
4-Ethylphenol |
|
2
|
Resorcinol
|
14 |
2,5-Xylenol |
|
3
|
Pyrocatechol
|
15 |
2-Ethylphenol |
|
4
|
2-Methylpyrocatechol
|
16 |
a-Naphthol |
|
5
|
4-Methoxyphenol
|
17 |
Benzene |
|
6
|
Phenol
|
18 |
b-Naphthol |
|
7
|
Guaiacol
|
19 |
2,3,5-Trimethylphenol |
|
8
|
p-Cresol
|
20 |
Toluene |
|
9
|
o-Cresol
|
21 |
Ethylbenzene |
|
10 |
2-Ethoxyphenol
|
22 |
o-Xylene |
|
11 |
3,4-Xylenol
|
23 |
p-Xylene |
| 12 |
3,5-Xylenol
|
|
|
|
Chromatogram
of a customer: Dr.
H.Zobel
|