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Particle characterization

New horizons in particle analysis

The better you know your particles, the better you can predict your materials’ behavior. Parameters you want to measure for these investigations include particle size, pore size, particle shape, internal structure, zeta potential, surface area, reactive area, density, powder flow, and many more. Anton Paar offers you instrumentation for all of them and more – it’s the broadest particle characterization portfolio available from one single provider worldwide. Make use of this wide choice and also benefit from decade-long expertise in the field – all at only one point of contact.

Applications, parameters, technologies: Find out what's perfect for you!

Switch between the application specials for different purposes and an overview of all parameters you can measure which also displays the technologies used in particle characterization.

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Food characterization

Food powder formulation, manufacturing, and packaging processes require batch-to-batch consistency to ensure consumer safety and loyalty. Insights derived from experimentation using Anton Paar instruments that determine the density, particle size, cohesion strength, compressibility, and permeability can contribute to food powder quality and consistency. This application report focuses on milk powder and all-purpose flour because they are ubiquitous products on their own and crucial ingredients in many other food products and nutritional supplements.

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Metal powder characterization

Metal powders are used in numerous powder metallurgy operations, such as additive manufacturing. The properties of the powders are of central importance in order to always guarantee a high product quality. Typical powder analysis methods such as powder rheometry, dynamic light scattering, BET, and density measurements are used.

Download the application report in order to see how these complementary methods can be used to determine the flow properties, porosity, compressibility, packing density, size distribution, and many more. By characterizing metal powders with a set of instruments capable of performing these methods, you can be sure about smooth flowability in the production process as well as about the stability of the sintered product and find out if excess metal powder from past productions is still usable.

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Investigating the properties of food

Particle size in food not only affects most aspects of the production process, such as transport, storage, or shelf life but also crucially influences organoleptic properties, such as taste and mouthfeel.

With its ability to measure both liquid and dry dispersions and its wide, nanometer-to-millimeter measuring range, the PSA particle size analyzer is ideally suited to the requirements of production and quality control in the food industry.

Download the application report to discover the benefits of applying laser diffraction techniques to characterizing food.

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Characterization of exosomes isolated from cell culture media

The potential of exosomes as drug delivery systems has long been recognized. This application report demonstrates how Litesizer™ 500 can efficiently characterize exosome particle size and that this criterion can be used to monitor exosome stability in vitro. Zeta potential measurements were also performed, giving potentially useful information about the biological functionality of exosomes.

Download the application report to read about the characterization of exosomes.

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Faster, more sensitive zeta potential measurements

Up to now, the state of the art in zeta potential measurements was the so-called Phase-Analysis Light Scattering (PALS), which is based on electrophoretic light scattering (ELS). This application report presents a newly patented technology called cmPALS which results in significantly lower measurement times and lower applied electric fields, so that sensitive samples can be analyzed with confidence.

Download the application report to read about ELS measurements with increased sensitivity and stability.

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Click on a parameter to see what Anton Paar offers you in a particular field of particle characterization. You can then use the filters in the table to further focus your search on a specific technology and get information on the different measuring ranges.

When you click on an instrument you can see its detailed features and specifications.

Pore Size
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Particle Size
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Surface Area
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Sample Preparation
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Density
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Reactive Area
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Vapor Uptake
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Cell Porosity
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Particle Shape
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Zeta Potential
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Powder Flow Properties
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Gas Storage Capacity
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Measurement
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Measurement

Technology

Dispertion Type

Measurement Range
Surface Area Range Gas Sorption (BET), Dynamic Flow BET Analysis Minimum Measurable Surface Area
0.1 m²/g
Surface Area Range / Pore Size Range Gas Sorption Surface Area, Pore Size
2 nm to 500 nm (with N or Ar)
0.35 nm to 2 nm (with CO₂ on C)
Minimum Measurable Surface Area
0.1 m²/g
Surface Area, Pore Size Gas Sorption (Physisorption, Chemisorption) Dry Pore Size Range
0.35 nm to 500 nm
Minimum Measurable Surface Area
from 0.0005 m²/g with krypton, from 0.01 m²/g with N₂
Density Bulk Density Dry Volume Range
1 cc
Reactive Area Gas Sorption (Chemisorption) Dry
Sample Preparation Vacuum, Flow Degassing Dry
Gas storage capacity High Pressure, Gas Sorption Dry
Particle Size Dynamic Light Scattering Liquid Particle Size Range
0.3 nm to 10 µm
Particle Size, Zeta Potential Dynamic Light Scattering, Electrophoretic Light Scattering (ELS), Static Light Scattering (SLS) Liquid Particle Size Range
0.3 nm to 10 µm
Sample Preparation Vacuum, Flow Degassing Dry
Powder Flow Properties Multiple Powder Flow Measurement Methods Rheology Dry / Liquid Particle Size Range
5 nm to 5 mm
Powder Flow Properties, Density Shear Testing Dry / Liquid
Density Gas Pycnometry Volume Range
0.025 cc
Sample Preparation Representative Sampling Dry Volume Range
20 cc
Surface Area, Pore Size Gas Sorption Dry Pore Size Range
0.35 nm to 500 nm / 2 nm to 500 nm (with N or Ar)
0.35 nm to 2 nm (with CO₂ on C)
Minimum Measurable Surface Area
0.01 m²/g
Cell Porosity Gas Pycnometry Dry Volume Range
1 cc
Density Gas Pycnometry Dry Volume Range
1 cc
Pore Size Porosimetry Dry Volume Range
0.05 cc
Pore Size Range
1100 µm to 0.0064 µm
Particle Size Laser Diffraction Dry / Liquid Particle Size Range
0.1 μm (dry) / 0.04 μm (wet) to 500 μm
Particle Size Laser Diffraction Dry / Liquid Particle Size Range
0.1 μm (dry) / 0.04 μm (wet) to 2500 μm
Particle Size Laser Diffraction Dry / Liquid Particle Size Range
0.3 μm (dry) / 0.2 μm (wet) to 500 μm
Surface Area, Pore Size Gas Sorption Dry Pore Size Range
0.35 nm to 500 nm
0.35 nm to 2 nm (with CO₂ on C)
Minimum Measurable Surface Area
0.01 m²/g; 0.0005 m²/g
Particle Size, Particle Shape and Internal Structure SAXS, WAXS, GISAXS Dry / Liquid Particle Size Range / Pore Size Range
ltthan1 nm to 105 nm (q range (Cu K-alpha): 0.03 nm⁻¹ to 41 nm⁻¹)
Particle Size, Particle Shape and Internal Structure SAXS, WAXS, GISAXS Dry / Liquid Particle Size Range / Pore Size Range
ltthan1 nm to 160 nm (q range (Cu K-alpha): 0.02 nm⁻¹ to 41 nm⁻¹)
Cell Porosity Gas Pycnometry Dry Volume Range
1 cc
Density Gas Pycnometry Dry Volume Range
1 cc
Vapor Uptake Vapor Sorption Dry
Sample Preparation Vacuum Degassing Dry

Particle characterization solutions by Anton Paar

Particle size analyzers

Particles can be complex, but measuring them doesn’t have to be. The Litesizer and PSA series enable particle size measurements at just the touch of a button, and much more:

  • Litesizer series: Dynamic light scattering for particle size analysis from the lower nanometer up to the micrometer range including zeta potential, molecular mass, transmittance and refractive index measurements
  • PSA series: Laser diffraction for size analysis of liquid and dry dispersions up to the millimeter range
  • Dedicated accessories allow measurements with small sample volume, in organic solutions, using automatic sample transfer, etc.
  • Focus on your particles: Kalliope software serves both instruments and reduces operator involvement to a minimum

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True powder rheology

The two cells for true powder rheology, the powder flow cell and the powder shear cell, in combination with MCR rheometers help you to really characterize and understand your powders:

  • Amazing precision of the renowned MCR rheometers for powder analysis
  • High reproducibility due to sample preparation modes and fully automated measurements
  • Multiple measurement modes for both quality control and scientific purposes
  • The only shear cell which can be equipped with temperature and humidity options

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Adsorption analyzers

In adsorption analysis, it is essential to combine both intelligent instrument design and advanced computational data reduction models:

  • Wide range of instruments for vapor sorption, physisorption, chemisorption, and high-pressure sorption
  • Fully automated systems with multi-station analysis and sample preparation options
  • Perfect for analyzing pore size, surface area, and gas/solid interactions of catalysts, pharmaceuticals, battery materials, adsorbents, and all other porous materials
  • World-renowned data reduction models and quick measurement reports, for traditional and complex new materials

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Mercury Intrusion Porosimeters

The most widely used method to determine the porosity of macroporous materials:

  • Designed to provide the safest operator experience, even when working with mercury
  • Features such as the simplified liquid mercury introduction and automated oil purging make PoreMaster the easiest-to-use mercury intrusion porosimeter
  • The ultimate in high-pressure data resolution is achieved via the control provided by the screw drive and the intelligence of the autospeed pressure generation routine
  • Liquid mercury filling and low-pressure measurements as well as high-pressure measurements are typically completed within 30 minutes

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Solid density analyzers

Get all the solid density values you need from one source – with the highest accuracy available:

  • An instrument portfolio that covers measurements of true or skeletal density, tapped bulk density, and geometric density
  • Best-in-class: Highest-accuracy results over the widest measurement range
  • Safe and cost-effective: No liquid mercury needed to measure geometric density
  • Non-destructive gas pycnometry: Works with inert and clean gas

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SAXS systems

SAXSpace and SAXSpoint 2.0 small-angle X-ray scattering systems provide excellent resolution and the best possible data quality for nanoparticle research:

  • Brilliant X-ray sources and optics for the highest spectral purity and flux
  • Scatterless beam collimation and state-of-the-art hybrid photon-counting (HPC) detectors for a high signal-to-noise ratio and excellent data quality
  • Wide variety of sample stages for particle characterization under controlled temperature and atmosphere
  • Reliable operation with high uptimes, high sample throughput, and low maintenance costs

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Experts from the start

As broad as the particle characterization portfolio of Anton Paar is, many instruments have one thing in common: They have been the first of their kind and are still the flagship instruments in their field. For example, PSA, invented back in 1967, was the first particle size analyzer using laser diffraction technology. The first commercial small-angle X-ray scattering (SAXS) camera, developed by Otto Kratky in 1957, was manufactured by Anton Paar. Today, Anton Paar SAXS systems are still the benchmark when it comes to this technology. Quantachrome Instruments, a brand of Anton Paar, started to make its way to the top in 1968. Ever since then, dedicated teams of scientists have developed innovations in close contact with users, resulting in the best possible solutions for measuring porous materials and powders.

Use the Anton Paar expertise in particle characterization for your particle research and material development.

Along with a wide range of specific instrumentation, Anton Paar offers extensive application consulting as well as application information. Application reports, the Anton Paar Wiki, the Anton Paar Blog, and webinars offer in-depth knowledge on particle characterization topics such as: 

Use these resources and our long-standing expertise in particle characterization to explore new fields of application and achieve optimal results in production, quality control, and product development. Of course, you can also reach out directly to us with any questions concerning instruments and applications.

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Get hands-on experience at the Anton Paar Technical Centers.

Are you a hands-on person who prefers to see our instruments in real-life? See if one of our Technical Centers has your desired instrument available or if a particle characterization seminar is planned in your region.

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Free Particle Characterization Webinars

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