Adsorption
The adsorption platform allows the fine characterization of the porosity of a material (specific surface, porous volume, pore size distribution).
Leader
Habiba Nouali
Contacts : habiba.nouali@uha.fr ou cyril.vaulot@uha.fr
Description
Areas of activity
The field of application of this non-destructive technique is very broad : catalysis, ceramics, cosmetics, pharmaceuticals, paints, plastics …. . Within IS2M, it mainly finds its applications in the characterisation of carbon materials (from biomass or synthesis, meso- and micro-structured, hybrid, porous and non-porous), clays, organised mesoporous materials, zeolites and organic-inorganic hybrid materials of MOF type (Metal Organic Framework).
Main equipment (strengths of the Institute)
The adsorption platform includes four fully automated analytical equipment from Micromeritics, which allows physisorption of gases such as N2, Ar, Kr or CO2 textural characterisation (specific surface, porous volume, pore size distribution) of porous materials :
- ASAP 2020
- ASAP 2420 (2 machines)
- Tristar
Technical description
Micromeritics analyser, ASAP2420
The ASAP 2420 is a device for measuring specific surface area and porosity (pore size distribution, pore volume) equipped with 6 measuring stations
| Pressure ranges | 10-5 at 10-1 mmHg (10-3 at 10 Pa) (area of microporosity) 1 to 760 mmHg (10 to 105 Pa) (area of mesoporosity) |
| Pressure sensors | 1000 mmHg (resolution 10-3 mmHg) 10 mmHg (resolution 10-5 mmHg) |
| Pumps | primary : 5. 10-3 mmHg turbo : 3.8. 10-9 mmHg |
| Analysis temperature | 77K (temperature of liquid nitrogen) |
| Adsorbate | NOT2, CO2, Kr, Ar |
| Specific surface | > 0.1 m2/ g (N2) |
| Degassing station | Temperature range : room temperature at 450°C 1°C increment |
| Cryogenic system | Dewar 3.5 litres, battery life 72h |
| Self-service accessibility | Yes, for permanent and PhD, masters students …. after training by the technical manager. |
Location : 1 station at rue A. Werner and 1 station at rue J. Starcky
Contact people : Habiba Nouali, Cyril Vaulot
Micromeritics analyser, Tristar
The Tristar is a device for measuring specific surface area and porosity (pore size distribution, pore volume) equipped with 3 completely independent measuring stations. It is an analyser dedicated to the characterisation of mesoporous structures.
| Pressure range | 1 to 760 mmHg (10 to 105 Pa) (area of mesoporosity) |
| Pressure sensor | 1000 mmHg (resolution 10-3 mmHg) |
| Pumps | primary : 5. 10-3 mmHg Turbo pump : 3.8. 10-9 mmHg |
| Analysis temperature | 77K (temperature of liquid nitrogen) |
| Adsorbates | N2 |
| Specific surface | > 0.1 m2/ g (N2) |
| Cryogenic system | Dewar 3.5 litres, battery life 72h |
| Self-service accessibility | Yes, for permanent and PhD, masters students …. after training by the technical manager. |
Location : rue A. Werner
Contact person : Habiba Nouali
Micromeritics vacuum system, VacPrep 061
The VacPrep 061 is a vacuum system equipped with 6 degassing stations allowing the elimination of impurities (water, organic molecules) by evacuation and heating.
| Temperature range | room temperature at 450°C |
| Pressure range | 1 to 760 mmHg (10 to 105 Pa) |
| Self-service accessibility | Yes, for permanent and PhD, masters students …. after training by the technical manager. |
Location : rue A. Werner
Contact person : Habiba Nouali
Micromeritics Analyser, ASAP 2020
The ASAP 2020 is a device for measuring specific surface area and porosity (pore diameter, pore volume) equipped with 1 measuring station (adsorption phase of the probe molecule (N2, CO2, Kr) by the material) and 2 completely independent degassing stations [phase of elimination of impurities (water, organic molecules) by vacuum and heating]. It is an analyser dedicated to the characterisation of micro and mesoporous structures
| Pressure ranges | 10-5 at 10-1 mmHg (10-3 at 10 Pa) (area of microporosity)
1 to 760 mmHg (10 to 105 Pa) (area of mesoporosity) |
| Pressure sensors | 1000 mmHg (resolution 10-3 mmHg)
10 mmHg (resolution 10-5 mmHg) 1 mmHg (resolution 10-6 mmHg) |
| Pumps | primary : 5. 10-3 mmHg
turbo : 3.8. 10-9 mmHg |
| Analysis temperature | 77K (liquid nitrogen temperature) or 273K |
| Adsorbate | N2, CO2 and Kr |
| Specific surface | > 0.1 m2/ g (N2) |
| Degassing station | Temperature range : room temperature at 450°C
1°C increment |
| Cryogenic system | Dewar 3.5 litres, battery life 72h |
| Self-service accessibility | Yes, for permanent and PhD, masters students …. after training by the technical manager. |
Location rue J. Starcky
Contact person : Cyril Vaulot
IS2M
Bâtiment CNRS
15, rue Jean Starcky - BP 2488
68057 Mulhouse cedex
Bâtiment IRJBD
3 bis, rue Alfred Werner
68093 Mulhouse cedex
tel: (+33)3 89 60 87 00
fax: (+33)3 89 60 87 99
