Brunauer - Emmett - Teller (BET) Surface Area Analyzer

Physical Characterization Facilities

Specifications of the BET instrument:
• Measurement method: Constant volume gas adsorption method + AFSM ™
• Heat treatment (de-gassing system): Heat treatment (de-gassing system)
• Adsorptive gas: N2, He, and Co2
• The number of samples can be run in a time:03
• Pore size distribution: Pore size distribution
• Sample required: 50 mg (minimum) (suggestion: please carry enough sample) in the form of solid/porous / powder samples. If the sample is properly dried, the sample amount can be taken less too ~30 mg.
Analysis Program:
• Adsorption/desorption isotherms.
• Specific surface area by Langmuir method and BET method
• Meso-pore analysis by BJH method
• Micro-pore volume and micro-pore diameter by t-method
• Pore size distribution

For any query related to the instrument,
Contact : Mr. Sanjay (9568365216)

Category Physical Characterization Facilities
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Instrument's Description

Instrument model: BELSORP-maxII (BELSORP – series) from Microtrac BEL Corp Brunauer-Emmett-Teller (BET) surface area analyzer is a non-destructive technique that is based on the BET theory which demonstrates the physical adsorption of the gas molecules (adsorptive) on a solid/porous surface (sample). BET theory is an extension of the Langmuir theory from monolayer adsorption to multilayer adsorption of adsorptive onto the adsorbent. In this technique, an inert gas such as nitrogen flows continuously over a solid sample which is suspended in a defined gaseous volume through the sample cell. Now, the small molecules of the inert gas adsorb to the surface of the sample and in its inner pore’s surface through van der Waals forces. The amount of gas adsorbed depends mainly on the exposed surface area of the materials and also on factors such as temperature, gas pressure, and degree of strength of interaction between the gas molecules and solid surface. The rate of adsorption can be used to calculate the specific surface area of a solid material. This instrument is capable of measuring the adsorption/desorption isotherms, surface area (Langmuir and BET), pore size (BJH method), pore size distribution, and pore volume of the sample.

Sample Description

50 mg (minimum) (suggestion: please carry enough sample) in the form of solid/porous / powder samples. If the sample is properly dried, the sample amount can be taken less too ~30 mg.

Price List

For Internal usage Per Sample	1000
For External (Academics) usage Per Sample	2000
For External (Industries) usage Per Sample	3000