Agilent Technologies 5977B Series Operating Manual page 122

5 Operating in CI Mode
Table 10 Reagent gas settings
Reagent gas
Ion polarity
Emission
Electron energy
Filament
Repeller
Ion focus
Entrance lens offset
EM volts
Shutoff valve
Gas select
Suggested flow
Source temp
Quad temp
Interface temp
Autotune
* N/A Not Available
122
Methane
Positive Negative
150 A 50 A
150 eV 150 eV
1 1
3 V 3 V
130 V 130 V
20 V 20 V
1200 1400
Open Open
A A
20% 40%
250 °C 150 °C
150 °C 150 °C
280 °C 280 °C
Yes Yes
Isobutane
Positive Negative
150 A 50 A
150 eV 150 eV
1 1
3 V 3 V
130 V 130 V
20 V 20 V
1200 1400
Open Open
B B
20% 40%
250 °C 150 °C
150 °C 150 °C
280 °C 280 °C
No Yes
Ammonia
Positive Negative
150 A 50 A
150 eV 150 eV
1 1
3 V 3 V
130 V 130 V
20 V 20 V
1200 1400
Open Open
B B
20% 40%
250 °C 150 °C
150 °C 150 °C
280 °C 280 °C
No Yes
5977B Series MSD Operating Manual
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EI
*
N/A
35 A
70 eV
1 or 2
30 V
90 V
25 V
1300
Closed
None
N/A
230 °C
150 °C
280 °C
Yes