5 Micro GC Channels
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Agilent 990 Micro GC User Manual 83
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Table 25 8 m 5CB BF2D and 10 m Al2O3/KCl BF2D instrument method parameters
Method settings 8 m 5CB Heated BF2D 10 m Al2O3/KCl Heated BF2D
Carrier gas Helium Helium
Column temperature (°C) 72 90
Injector temperature (°C) 110 100
Column pressure (kPa) 150 300
Sample inlet temperature (°C) 110 100
Sample time (s) 30 30
Injection time (ms) 40 40
Run time (s) 90 600
Detector sensitivity Auto Auto
Table 26 8 m 5CB BF2D and 10 m Al2O3/KCl BF2D peak identification
Peak identification 8 m 5CB Heated BF2D 10 m Al2O3/KCl Heated BF2D
Peak 1 Composite balance Propane 1.99 %
Peak 2 Ethane 4.06 % Propylene 0.980 %
Peak 3 Propane 0.520 % Acetylene 1.06 %
Peak 4 i-Butane 0.0502 % Propadiene 1.01 %
Peak 5 n-Butane 0.0495 % i-Butane 0.295 %
Peak 6 Neopentane 0.0101 % n-Butane 0.295 %
Peak 7 i-Pentane 0.0306 % trans-2-Butylene 0.303 %
Peak 8 n-Pentane 0.0306 % i-Butylene 0.295 %
Peak 9 C
6+
i-Butylene 0.307 %
Peak 10 cis-2-Butylene 0.306 %
Peak 11 Methyl acetylene 1.01 %
Peak 12 i-Pentane 0.104 %
Peak 13 1,3-Butadiene 0.311 %
Peak 14 n-Pentane 0.097 %
Peak 15 trans-2-Pentene 0.098 %
Peak 16 2-Methyl-2-butene 0.046 %
Peak 17 i-Pentene 0.097 %
Peak 18 cis-2-Pentene 0.094 %
Peak 19 C
6+
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