Pore Volume / Porosimetry Surface Area and Pore Size Analyzers
Last Updated: April 1, 2025
Description
Pore Volume / Porosimetry Surface Area and Pore Size Analyzers are specialized instruments used to measure various characteristics of porous materials. These analyzers determine pore distribution, pore volume, specific surface area, and total surface area of a sample. They provide critical data on the frequency and size of pores within a sample, as well as the surface area available for adsorption.
Working Principle
These analyzers operate by measuring the adsorption of gases on the surface of a solid sample. The sample is pretreated to remove contaminants and then cooled to cryogenic temperatures under vacuum conditions. An adsorptive gas, typically nitrogen, is introduced in controlled increments. The pressure changes are monitored to calculate the amount of gas adsorbed, which forms an adsorption isotherm. This data is used to determine the surface area and pore size distribution of the sample. Mercury intrusion porosimetry is another method used, where mercury is forced into the pores under pressure, and the volume of mercury intruded is measured to calculate pore size and volume. These methods are useful for understanding material properties that affect performance in various applications.
Applications
Pore Volume / Porosimetry Surface Area and Pore Size Analyzers are used in a variety of applications. For instance, they are employed in the study of CO2 sequestration sites to characterize the sealing and fluid-transport properties of sedimentary rocks. The analyzers help predict the capacity of formations and determine the rate of CO2 flow through the formation. They are also used in the characterization of reservoir core samples to determine sealing capacity and pore-throat aperture size distribution.
Advantages over other Surface Area and Pore Size Analyzers
These analyzers offer precise measurements of microporous materials, which are critical for applications requiring detailed pore structure analysis. The use of high vacuum manifolds in some instruments allows for thorough analysis and accurate reporting of density functional theory calculations. The ability to present results in both tabular and graphical forms provides comprehensive data analysis options.
Limitations
One limitation of mercury intrusion porosimetry is the high interfacial tension of mercury, which only wets a few materials. This can limit the applicability of this method to certain types of samples. Additionally, the contact angle between mercury and most solids can affect the accuracy of measurements, requiring careful calibration and consideration.
Considerations
When considering the purchase and use of these analyzers, factors such as initial costs, operating expenses, and maintenance should be evaluated. The durability and accuracy of the instruments are crucial for reliable data collection. Replacement and maintenance costs can vary depending on the specific model and usage conditions, so it is important to assess these aspects to ensure cost-effective operation over the long term.
from Gurley Precision Instruments
GENUINE GURLEYTM Cobb Sizing Testers have been manufactured by Gurley for over a half-century and represent an economical and practical means of determining liquid absorptiveness or resilience of treated and untreated papers, boards, fabrics and other sheet materials. The complete kit consists of... [See More]
- Properties Analyzed: Pore Volume or Porosimetry
- Methods, Technology & Standards: Roller method
- Test Media: Paper; Textiles
- Display & Special Features: Benchtop or Laboratory
from Quantachrome Instruments
The PoreMaster ® GT Series —. fully automated, high-performance mercury porosimeters that offer two high-pressure and two low-pressure analysis ports to meet the pore size measurement needs of the busiest laboratories. In addition to "two samples in a single loading, " (patented)... [See More]
- Properties Analyzed: Pore Size or Densometry; Pore Volume or Porosimetry
- Test Media: Powders; Powders, Bulk Solids
- Pore Diameter Range: 36 to 106600
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
from CIQTEK Co., Ltd
EASY-V 1220 is the BET specific surface area and pore size analysis instrument developed independently by CIQTEK, using the static volumetric method. ▪ Specific surface area testing, range 0.0005 (m2/g) and above. ▪ Pore size analysis: 2 nm-500 nm. ▪ Two analysis stations,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry
- Test Media: Powders; Battery Materials, Petrochemical Industry, Medicine, Environmental protection materials, Nanomaterials
from Meter Group
The Leaf Porometer fits in your hand and in your research budget. Most commercially available porometers are large, complex, and costly. Decagon's new Leaf Porometer was designed by an agronomist who appreciated the simple porometers he used in his early career. The result is a sleek, innovative,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Stomatal Conductance
- Display & Special Features: Digital; Handheld, Portable or Field; PC Interface / Networkable
- Test Media: Plants
from Micromeritics
High Performance in a Compact Footprint. Accurate and precise surface area and porosimetry measurements are essential to the determination of the effectiveness and quality of a wide variety of materials. The Micromeritics ASAP 2020 integrates multiple gas sorption techniques into a single,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Methods, Technology & Standards: Gas Sorption Technique
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Metals; Powders; Catalyst
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable
from Quantachrome Instruments
The PoreMaster series consists of three automatic mercury intrusion porosimeters offering new concepts in automated pore size analysis.The PoreMaster 33 porosimeter achieves a maximum pressure of 33,000 psia for pore size measurements in the range from over 1100* micron to 0.0064 micron pore... [See More]
- Properties Analyzed: Pore Volume or Porosimetry
- Test Media: Powders; Powders, Pellets, Bulk Solids
- Pore Diameter Range: 36 to 106600
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability; Video
from CIQTEK Co., Ltd
EASY-V 1440 is the BET specific surface area and pore size analysis instrument developed independently by CIQTEK, using the static volumetric method. ▪ Specific surface area testing, range 0.0005 (m2/g) and above. ▪ Pore size analysis: 2 nm-500 nm. ▪ Four analysis stations,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry
- Test Media: Powders; Battery Materials, Petrochemical Industry, Medicine, Environmental protection materials, Nanomaterials
from Micromeritics
Micromeritics ASAP ® 2420 Accelerated Surface Area and Porosimetry System uses the gas sorption technique to generate high-quality data for applications that require high performance/high sample throughput. Standard features include six independently operated analysis ports and a programmable... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Methods, Technology & Standards: Gas Sorption Technique
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable
from Quantachrome Instruments
Water sorption behavior plays an important role in the development and use of many common and advanced materials. Some examples include: Stability of pharmaceutical excipients and drug actives. Drying and storage of grains. Texture and shelf life of food products. PEM fuel cell components. Mortar,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry
- Display & Special Features: Benchtop or Laboratory
- Test Media: Adhesives/Sealants; Ceramics; Concrete/Mortar; Food / Beverage; Powders; Textiles
from Micromeritics
Micromeritics ’ AutoChem 2950 HP Chemisorption Analyzer is an automated high-pressure catalyst characterization system that is capable of preparing and analyzing samples at elevated pressures up to 1000 psia and at temperatures from -100 to 1100 °C. The instrument can perform a variety of... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable
- Test Media: Fuel / Fuel Materials; Partial Oxidation, Catalytic Cracking, Catalytic Reforming, Isomerization, Hydrocracking, Fischer-Tropsch Synthesis
from Quantachrome Instruments
The new QUADRASORB evo ™ Gas Sorption Surface Area and Pore Size Analyzer has been designed for flexibility, performance, accuracy, and modularity. It will adapt to your lab ’s evolving material characterization needs, both through the day, and over the years. If you start an analysis in... [See More]
- Properties Analyzed: Pore Distribution; Pore Volume or Porosimetry; Total Surface Area
- Test Media: Powders
- Total Surface Area Range: 0.0100
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
from Micromeritics
The ASAP 2020 Plus Chemisorption option [ermits you to obtain valuable information about the physical and chemical properties of your catalyst, catalyst support, adsorbents, and other materials. It's unique design provides a high level of system cleanliness to permit low-pressure checmisorption... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Test Media: Adhesives/Sealants; Ceramics; Food / Beverage; Fuel / Fuel Materials; Powders; Catalyst
- Pore Diameter Range: 3.5 to 30
- Methods, Technology & Standards: Multiple Gas Sorbtion Techniques
from Quantachrome Instruments
INTRODUCTION. Autosorb ® 6iSA ™ surface area and pore size analyzer allows a researcher to get a 360 degree perspective of the complex material pore structure enabling a variety of analysis techniques including adsorption isotherms, desorption isotherms, single point BET, multi-point BET,... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Total Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
- Total Surface Area Range: 0.0100
from Micromeritics
The ASAP 2460 Surface Area and Porosity Analyzer incorporates a unique expandable system designed for high-performance and high sample throughput. The base ASAP 2460 is a two-port master control unit. For more throughput, additional two-port units can be connected to the master unit expanding the... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Methods, Technology & Standards: Gas Sorption Technique
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable
from Quantachrome Instruments
Ideal for surface area and mesopore analysis, the iQ-AG is available in up to three-station versions and provides an easy upgrade path to high vacuum, low pressure and chemisorption capabilities should your needs change. Usable with nitrogen, argon, carbon dioxide and a host of other gases... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Total Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
- Test Media: Powders
from Micromeritics
Micromeritics' TriStar II PLUS is a state-of-the-art instrument suited for use in both quality control and research .environments. Intended for laboratories that require high throughput and the highest quality data, it contains all the capabilities of the TriStar II with additional hardware and... [See More]
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area; Total Surface Area
- Methods, Technology & Standards: Flowing Gas Method
- Test Media: Adhesives/Sealants; Ceramics; Food / Beverage; Foam / Porous Materials; Geological (Rock, Strata, etc.); Powders; Catalyst
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability