Powders / Granular Materials Surface Area and Pore Size Analyzers
Last Updated: April 1, 2025
Description
Surface area and pore size analyzers are specialized instruments used to measure various characteristics of powders and granular materials. These analyzers determine factors such as pore distribution, pore volume, specific surface area, and total surface area. They provide quantitative measures of these parameters, which are crucial for understanding the physical properties of the materials being analyzed.
Working Principle
Surface area and pore size analyzers operate by measuring the adsorption of gas molecules onto the surface of a solid sample. The sample is first pretreated to remove contaminants, typically through heat, vacuum, or flowing gas. It is then cooled to cryogenic temperatures under vacuum conditions. An adsorptive gas, often nitrogen, is introduced in controlled increments. The pressure within the analyzer equilibrates after each dose, allowing the calculation of the quantity of gas adsorbed. This process defines an adsorption isotherm, from which the surface area and pore size can be determined. These measurements are useful because they provide insights into the material's surface characteristics, which can affect its behavior in various applications.
Applications
Surface area and pore size analyzers are used in a wide range of applications. For example, they are essential in the quality control and research and development of materials such as catalysts, where surface area plays a critical role in catalytic activity. They are also used in the pharmaceutical industry to analyze the surface properties of powders that affect drug delivery and dissolution rates.
Advantages over other Surface Area and Pore Size Analyzers
Modern surface area and pore size analyzers offer several advantages. High-end models provide timely results suitable for both quality control and research and development needs. Midrange instruments are designed for high throughput and reliable service, making them ideal for production control. These analyzers can measure surface areas at the molecular level, providing more accurate and detailed information compared to simpler methods.
Limitations
One limitation of surface area and pore size analyzers is their reliance on the assumption that particles are of a regular shape, which is often not the case. Most particles are irregular, and this can affect the accuracy of the measurements. Additionally, the need for cryogenic temperatures and vacuum conditions can make the process complex and time-consuming.
Considerations
When considering the purchase and use of surface area and pore size analyzers, several factors should be taken into account. Initial costs can vary significantly depending on the sophistication of the instrument. Operating expenses may include the cost of gases and maintenance of vacuum systems. Durability and accuracy are crucial, as these instruments need to provide reliable data over time. Replacement and maintenance costs should also be considered, as regular calibration and servicing are necessary to ensure optimal performance.
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]
- Test Media: Powders; Powders, Bulk Solids
- Pore Diameter Range: 36 to 106600
- Properties Analyzed: Pore Size or Densometry; Pore Volume or Porosimetry
- 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]
- Test Media: Powders; Battery Materials, Petrochemical Industry, Medicine, Environmental protection materials, Nanomaterials
- Properties Analyzed: Pore Volume or Porosimetry
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]
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Metals; Powders; Catalyst
- Methods, Technology & Standards: Gas Sorption Technique
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- 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]
- Test Media: Powders; Powders, Pellets, Bulk Solids
- Pore Diameter Range: 36 to 106600
- Properties Analyzed: Pore Volume or Porosimetry
- 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]
- Test Media: Powders; Battery Materials, Petrochemical Industry, Medicine, Environmental protection materials, Nanomaterials
- Properties Analyzed: Pore Volume or Porosimetry
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]
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Methods, Technology & Standards: Gas Sorption Technique
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- 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]
- Test Media: Adhesives/Sealants; Ceramics; Concrete/Mortar; Food / Beverage; Powders; Textiles
- Display & Special Features: Benchtop or Laboratory
- Properties Analyzed: Pore Volume or Porosimetry
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]
- Test Media: Adhesives/Sealants; Ceramics; Food / Beverage; Fuel / Fuel Materials; Powders; Catalyst
- Pore Diameter Range: 3.5 to 30
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Methods, Technology & Standards: Multiple Gas Sorbtion Techniques
from Quantachrome Instruments
The Monosorb uses the rapid dynamic flow method for determinations of single-point B.E.T. surface area. Features: Speed - The Monosorb: requires as little as 6 minutes to complete an analysis,. uses small quantities of sample resulting in short outgassing and analysis times,. utilizes the most... [See More]
- Test Media: Powders
- Total Surface Area Range: 0.1000 to 250
- Properties Analyzed: Total Surface Area
- Display & Special Features: Benchtop or Laboratory; Digital
from Micromeritics
The Flowsorb III 2305 / 2310 provides single-point and multipoint BET surface area measurements with speed, accuracy, and reliability. Samples having surface areas from 0.01 m2/g to over 1,000 m2/g are easily accommodated. The. FlowSorb III measures surface area using the flowing gas method, which... [See More]
- Test Media: Foam / Porous Materials; Powders
- Specific Surface Area Range: 0.0100 to ?
- Properties Analyzed: Specific Surface Area; Total Surface Area
- Total Surface Area Range: 0.1000 to 280
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]
- Test Media: Powders
- Total Surface Area Range: 0.0100
- Properties Analyzed: Pore Distribution; Pore Volume or Porosimetry; Total Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
from Micromeritics
Micromeritics ’ Gemini VII 2390 Series of surface area analyzers rapidly and reliably produces accurate and repeatable surface area and porosity results. Their low cost, speed, simplicity of use, reliability, and ruggedness have earned the Gemini a place in laboratories worldwide as an... [See More]
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Fuel / Fuel Materials; Foam / Porous Materials; Powders; Catalyst
- Methods, Technology & Standards: Flowing Gas Method
- Properties Analyzed: Specific Surface Area; Total Surface Area
- Display & Special Features: Benchtop or Laboratory; Digital; PC Interface / Networkable; SPC Software or Capability
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]
- Test Media: Powders
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
- Properties Analyzed: Pore Volume or Porosimetry; Total Surface Area
from Micromeritics
he mercury porosimetry analysis technique is based on the intrusion of mercury into a porous structure under stringently controlled pressures. Besides offering speed, accuracy, and a wide measurement range, mercury porosimetry permits you to calculate numerous sample properties such as pore size... [See More]
- Test Media: Building & Construction Materials; Ceramics; Chemicals; Concrete/Mortar; Food / Beverage; Foam / Porous Materials; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Pore Diameter Range: 30 to 1.10E7
- Properties Analyzed: Pore Size or Densometry
- Methods, Technology & Standards: Mercury Porosimetry
from Quantachrome Instruments
When bench space is at a premium and maximum capability is essential. The only combined chemisorption-physisorption manometric analyzer that features built-in degassing stations and optional second and third physisorption ports. Built-in flow options put this model even further ahead of the field. [See More]
- Test Media: Powders
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability
- Properties Analyzed: Pore Volume or Porosimetry; Total Surface Area
from Micromeritics
Micromeritics' AutoPore IV 9500 Series characterizes a material ’s porosity by applying various levels of pressure to a sample immersed in mercury. The pressure required to intrude mercury into the sample ’s pores is inversely proportional to the size of the pores. This is called mercury... [See More]
- Test Media: Building & Construction Materials; Ceramics; Chemicals; Concrete/Mortar; Food / Beverage; Foam / Porous Materials; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Pore Diameter Range: 50 to 3.60E6
- Properties Analyzed: Pore Size or Densometry
- Methods, Technology & Standards: Mercury Porosimetry
from Quantachrome Instruments
NOVAtouch ™ Series. High Speed Surface Area and Pore Size Analyzer. Introducing the Next Generation of NOVA Analyzers. Now with Advanced Touchscreen and Higher Throughput Capabilities. The NOVAtouch ™ provides the next generation of NOVA analyzer performance and features. It delivers... [See More]
- Test Media: Ceramics; Food / Beverage; Foam / Porous Materials; Metals; Powders; Soil
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; Video
- Properties Analyzed: Pore Distribution; Pore Volume or Porosimetry; Total Surface Area
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]
- Test Media: Adhesives/Sealants; Ceramics; Chemicals; Food / Beverage; Geological (Rock, Strata, etc.); Metals; Powders; Catalyst
- Methods, Technology & Standards: Gas Sorption Technique
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable
from Quantachrome Instruments
The Porometer 3G micro is the capillary flow porometer with small-to-medium pore size capability, and customizable flow rate options. The standard pressure capability of up to 100 psi / 7 bar allows for pore size distributions in the range of 0.09 µm up to >90 µm to be measured easily... [See More]
- Test Media: Ceramics; Foam / Porous Materials; Paper; Powders; Textiles; Membranes, Sintered Metals
- Pore Diameter Range: 600 to 900000
- Properties Analyzed: Pore Volume or Porosimetry
- Display & Special Features: Benchtop or Laboratory; SPC Software or Capability
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]
- Test Media: Adhesives/Sealants; Ceramics; Food / Beverage; Foam / Porous Materials; Geological (Rock, Strata, etc.); Powders; Catalyst
- Methods, Technology & Standards: Flowing Gas Method
- Properties Analyzed: Pore Volume or Porosimetry; Specific Surface Area; Total Surface Area
- Display & Special Features: Benchtop or Laboratory; PC Interface / Networkable; SPC Software or Capability