Tables
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Triethylamine |
0.2% |
Pyridine |
0.2% |
4-Methylpyridine |
0.2% |
N,N-Dimethylacetamide |
0.5% |
2,4-Dimethylaniline |
0.1% |
Dicyclohexylamine |
0.15% |
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Table 1. Basic test mixture in methanol
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GC |
Agilent 6890N network GC system |
Sampler |
Agilent 7683B automatic liquid sampler, 10 µL syringe (Agilent p/n 5181-3360) |
Carrier gas |
Helium in constant flow mode, 1.5 mL/min |
Inlet |
Split/splitless at 250 °C, split 50:1, 0.2 µL injected |
Inlet liner |
Single taper, MS certified liner with restriction to hold glass wool (Agilent p/n 5188-6576) |
Oven program |
30 °C (0.5 min) to 60 °C (1 min) at 5 °C/min, then to 150 °C (5 min) at 50 °C/min |
Detection |
Flame ionization detector (FID) at 250 °C, hydrogen 40 mL/min, air 450 mL/min, nitrogen makeup 45 mL/min |
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Table 2. Chromatographic conditions for basic test mixture
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