Table 2. HRGC/HRMS Operating Parameters 



Mass Resolution 



Electron Energy 

 Accelerating Voltage 

 Source Temperature 

 Preamplifier Gain 

 Electron Multiplier Gain 

 Transfer Line Temperature 

 Column 



Injector Temperature 

 Column Temp - Initial 

 Column Temp - Program 



Carrier Gas 

 Flow Velocity 

 Injection Mode 

 Injection Volume 



9,000-12,000 (M/ M, 10% valley 

 definition) 



7 eV 



6,000 Volts 



200 C 



10"^ amps/volt 



-10^ 



280°C 



DB-5 60M 



300°C 



160 °C Hold for 2 min 



20°C/min to 240°C hold for 30 



min 



20°C/min to 320°C hold for 20 



min 



Helium 

 -30 cm/sec 

 Splitless 

 2 1 



