MSI
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| Brand | MSI |
|---|---|
| Origin | United Kingdom |
| Model | Autoconcept GD90 |
| Type | High-Resolution GDMS |
| Element Coverage | >70 elements (Li to U) |
| Detection Limit | Sub-ppt to sub-ppb (matrix-dependent) |
| Resolution | R ≥ 4,000 (10% valley definition) |
| Ion Source | Pulsed DC and RF modes (for conductive & insulating samples) |
| Mass Analyzer | Double-focusing magnetic sector |
| Sample Form | Solid discs, wafers, foils (diameter: 1–25 mm |
| thickness | ≤5 mm) |
| Depth Profiling Capability | Yes, with sputter rate calibration |
| Isotopic Ratio Precision | ≤0.1% RSD (for major isotopes, ≥10⁴ cps) |
| Brand | MSI |
|---|---|
| Origin | United Kingdom |
| Model | Elsima TOF |
| Instrument Type | Time-of-Flight Mass Spectrometer |
| Chromatography Interface | GC-compatible (including fast GC and GC×GC) |
| Mass Range | 0–1000 m/z |
| Resolution | ≥2000 (FWHM at m/z 502) |
| Sensitivity | >300:1 (S/N, full-scan, 1 pg octafluoronaphthalene) |
| Scan Speed | 15,000 u/s |
| Dynamic Range | 5 orders of magnitude (full-spectrum) |
| Mass Accuracy | ±0.02 AMU (without internal calibration) |
| Mass Stability | ±0.1 AMU over 24 h |
| SIM capability | up to 10 ions simultaneously |
| Brand | MSI |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Magnetic Sector Mass Spectrometer |
| GC Configuration | Conventional Gas Chromatography Coupling |
| Mass Range | 1–2000 u and 1–10000 u (switchable) |
| Resolution | 80,000 (10% valley definition) |
| Sensitivity | 5 × 10⁻⁷ C/µg (at m/z 69, using perfluorotributylamine, PFTBA) |
| Scan Speed | 0.1–1000 s/decade |
| Ion Optics | Fully bakeable, all-metal ion path with integrated thermal desorption capability |