The instruments used in our working group for MS analyses have the following specifications:
| Specifications | |
|---|---|
| Impact II Bruker Daltonics | |
| max. Resolution | 50 000 (65 000 with focus) |
| Scan range | 50-20 000 m/z |
| Scan rate | 1-50 Hz (MS & MS/MS) |
| Accuracy | < 1-2 ppm (RMS) error with internal calibration |
| Fragmentation | CID |
| MicrOTOF Bruker Daltonics | |
| max. Resolution | 16 500 FWHM with micrOTOF focus |
| Scan range | 50 – 20 000 m/z |
| Scan rate | < 40 Hz (100-3000 m/z profile mass spectra to disk) |
| Accuracy | < 1-2 ppm (RMS) error with internal calibration |
| Microflex LRF Bruker Daltonics | |
| max. Resolution | 15 000 |
| Scan range | up to 300 000 m/z |
| Accuracy | 15 ppm with internal Calibration |
| Laser | Nitrogen 337 nm |
| Laser frequency | 1.5-60 Hz |
| Esquire 3000Plus | |
| Standard Resolution mode | for resolution of 2+ ions at 13 000 amu/sec |
| Maximum Resolution mode | for resolution of 3+ and 4+ ions at 1650 amu/sec |
| Standard Scan range | 50-3000 m/z |
| Extended Scan range | 200-6000 m/z at 27 000 amu/sec |
| QP2010 Ultra/SE Shimadzu | |
| Resolution | Standard resolution |
| Scan range | 1.5-1090 m/z |
| max. Scan speed | 10 000 amu/sec for the range m/z 60-660 with intervall 0.1 sec |
| TQ8040 Shimadzu | |
| Resolution | 1500 |
| Scan range | 10-1090 m/z |
| EI-Scan Sensitivity | S/N>=600 for 1 pg Octafluoronaphthalene |
| MRM Sensitivity | S/N>=4000 for 100 fg Octafluoronaphthalene |
| max. Scan speed | 20 000 amu/sec (Q3 Scan) |
| MAT 95XP ThermoFinnigan | |
| Resolution | 60 000 |
| Scan range | > 3500 m/z |
| Scan cycle time | 0.2 sec/decade |
| Accuracy | < 2 ppm |
| MAT 8230 Finnigan | |
| Resolution | 10 000 |
| Scan range | up to 4200 m/z |
| Scan cycle time | 5 sec/decade |
| 6890/5973N Plus HP-MSD Agilent | |
| Resolution | Standard resolution |
| Scan range | 1.6-800 amu in 0.1 amu steps |
| max. Scan speed | 5200 amu/sec with 0.1 amu Resolution |