GC Chromatograms
GC Chromatograms
GC Chromatograms
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<strong>GC</strong> CHROMATOGRAMS | SOLVENTS & CHEMICALS<br />
Amines<br />
Primary Amines on Rtx®-35 Amine<br />
Peaks<br />
1. Methylamine<br />
2. Dimethylamine<br />
3. Trimethylamine<br />
4. Ethylamine<br />
5. Isopropylamine<br />
6. tert-Butylamine<br />
7. n-Propylamine<br />
8. Diethylamine<br />
9. sec-Butylamine<br />
2,3<br />
4<br />
5<br />
6<br />
Column<br />
Rtx®-35 Amine, 30 m, 0.53 mm ID,<br />
1.00 μm (cat.# 11355)<br />
Sample<br />
Primary amines<br />
Diluent:<br />
Water<br />
Conc.:<br />
50 ppm on-column<br />
Injection<br />
Inj. Vol.: 1 μL split (split ratio 10:1)<br />
Liner:<br />
Splitless taper (4 mm), base<br />
deactivated (cat.# 20798-210.1)<br />
Inj. Temp.: 250 °C<br />
Oven<br />
Oven Temp: 35 °C (hold 5 min)<br />
Carrier Gas He, constant pressure<br />
Linear Velocity: 35.7 cm/sec<br />
Detector FID @ 300 °C<br />
7<br />
8<br />
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1<br />
9<br />
0.5<br />
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0<br />
Time (min)<br />
<strong>GC</strong>_CH00578<br />
Short Chain Amines in Water on Rtx®-Volatile Amine<br />
pA<br />
225<br />
200<br />
2<br />
175<br />
150<br />
125<br />
100<br />
IS<br />
75<br />
5<br />
Peaks<br />
1. Methanol<br />
2. Dimethylamine<br />
3. Trimethylamine<br />
4. Methylethylamine<br />
5. Dimethylethylamine<br />
6. Diethylamine<br />
7. Methyldiethylamine<br />
8. Triethylamine<br />
IS = isopropylamine<br />
NEW!<br />
Column Rtx®-Volatile Amine, 60 m, 0.32 mm ID (cat.# 18078)<br />
Sample<br />
Short chain amines<br />
Diluent:<br />
Water<br />
Conc.:<br />
200-1,000 ppm<br />
Injection<br />
Inj. Vol.: 1.0 μL split (split ratio 15:1)<br />
Inj. Temp.: 220 °C<br />
Split Vent<br />
Flow Rate: 30 mL/min<br />
Oven<br />
Oven Temp: 40 °C (hold 10 min) to 250 °C at 20 °C/min (hold 10 min)<br />
Carrier Gas H2, constant flow<br />
Flow Rate: 2.0 mL/min<br />
Linear Velocity: 35 cm/sec @ 40 °C<br />
Detector FID @ 250 °C<br />
Instrument Agilent/HP6890 <strong>GC</strong><br />
Acknowledgement<br />
Chromatogram courtesy of Mr. Gilbert Baele of Taminco, Belgium<br />
50<br />
25<br />
1<br />
3<br />
4<br />
6<br />
7 8<br />
0<br />
0 5<br />
10 15 20<br />
Time (min)<br />
<strong>GC</strong>_GN1154<br />
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