108
[2] NCI
1. Sensitivity 100fg octafluoronaphthalene
Molecular ion S/N>100 at M/Z272 (RMS)
Reagent gas: methane, Scan range: 200-300u, Interval: 0.5sec
2. Reagent gas Methane, isobutane, ammonia
3. Ion source Ion source box exchange type. Simulated EI (SEI*) and
simulated CI (SCI*) spectra can be collected using the NCI ion
source box.
* SEI and SCI are modes which simulate EI and CI ionization
respectively using the NCI ion source. The ionization method
can be easily changed from the software. However, note that,
compared to a dedicated ion source, the signal intensity may be
reduced and the mass spectrum pattern may differ. A dedicated
ion source must be used in analyses requiring sensitivity and
precision.
4. Reagent gas
introduction system
2 line system
5. Auto-tuning Capable
6. Max. column flow
rate (He)
5mL/min (restricted compared to EI to allow introduction of the
reagent gas)
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