Thermal Ionization Mass Spectrometer (TIMS) is an analytical tool for accurate isotopic ratio measurement of elements. It consists of a thermal ionization source for ionization of the sample, sector magnet for separation of ions and Faraday collectors for the measurement of ion current. Owing to the sensitivity, selectivity and precision of TIMS, it finds extensive applications in the field of nuclear industries for isotopic analysis of reactor fuel, spent fuel and reprocessed fuel, exploration studies in Geo-chronology, concentration measurements using isotopic dilution and for isotopic signature studies of soil samples in earth science.
Thermal Ionization Mass Spectrometer (TIMS) is an analytical tool for accurate isotope ratio measurement of elements. Owing to its high sensitivity, selectivity and precision it finds extensive applications in the field of nuclear industries and geochronology. It consists of a thermal ionization source for ionization of the sample, sector electro-magnet for separation of ions and faraday collectors for the measurement of ion current. The instrument control and analysis is through a PC based interface.
Thermal Ionization Mass Spectrometer (TIMS) is an analytical tool for accurate isotopic ratio measurement of elements. Owing to its sensitivity, selectivity and precision it finds extensive applications in the field of nuclear industries and geochronology. It consists of a thermal ionization source for ionization of the sample, sector magnet for separation of ions and Faraday collectors for the measurement of ion current. The instrument control and analysis is through a PC based interface.
| Resolution | 400 (10 %valley) |
|---|---|
| Mass Range | up to 450 amu |
| Sensitivity | 1 ion for 600 atoms of Uranium |
| Precision | 0.1 %for Natural Uranium |
| Abundance sensitivity | 30 ppm (for U-238 at mass 237) |
ION SOURCE
| Ionization technique | Thermal ionization |
|---|---|
| Filament Assembly type | Triple Filament assembly |
| Filament type | Rhenium ribbon (size 0.75 mm wide, 0.03 mm thick) |
| Turret capacity | 12 filament assemblies |
| Sample quantity | 2-3 microgram of Uranium |
| Sample form | Acidic solution loaded on side filaments and dried in atmosphere by electrical heating |
| Acceleration Voltage | up to 10 kV (routine operation at 7 kV) |
ANALYSER
| Type | Magnetic Sector |
|---|---|
| Sector Radius | 30 cm |
| Sector Angle | 90° |
| Geometry type | Stigmatic (with entry and exit angles: 26.5°) |
COLLECTOR SYSTEM
| Collector Type | Faraday collector |
|---|---|
| Number of collectors | Six |
| Collector locations | Fixed |
| Dispersion adjustability | Variable dispersion zoom optics |
VACUUM SYSTEM
| Vacuum | 1 x 10(-7) torr in ion source, 3.0 x 10(-8) torr in collector side |
|---|---|
| Vacuum Pump (Ion source) | Turbo molecular Pump (TMP) with 600 L/s pumping speed |
| Vacuum Pump (TMP backing) | Rotary pump with capacity 10 m3/h |
| Vacuum Pump before analyser | Sputter ion pump with 35 L/s capacity |
| Vacuum Pump after analyser | Sputter ion pump with 70 L/s capacity |
| Cold thimble | Available on the ion source chamber |
RAW MATERIALS
INFRASTRUCTURE
Electronic Lab Facility for Testing Purpose
SPACE
MANPOWER
