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Particle size distribution

Range: 0.01 µm- 3500 µm

In Alfatestlab we are experts in particle size measurements of powders, suspensions and emulsions. An accurate particle size distribution measured with the right technique on a representative number of particles is a fundamental quality parameter for many products in numerous industries. Alfatestlab provides particle size distribution using laser diffraction in the range 0.01 μm - 3500 μm and Dynamic Light Scattering in the range 0.3nm-10um. Laser diffraction is today the most widely used technique in the world to obtain fast and accurate results on micronized products and not only and is regulated by ISO13320 and recognized by other standards and guidelines such as ASTM, USP, EP, JP. AlfatestLab is equipped with other particle sizing techniques such as Nanoparticle Tracking Analysis (10-2000nm), Automatic Image Analysis (0.1-10000 um) or Scanning Electron Microscopy SEM, we are available to use to the most suitable technique for your application.

In AlfatestLab we are equipped to measure particle size distribution on dry or wet samples, thanks to various dispersion units available for various sample volumes.

Our analysis report shows the particle size distribution in particle volume, as well as all standard parameters D10, D50, D90, D4: 3, analysis conditions and parameters. Alfatestlab offers method development and transfer method (from Mastersizer2000 to Mastersizer3000) services.

There's always time for a coffee break!

Analysis of coffee particle characteristics, coffee creaming and bulk powder flow properties together with sensory analysis and high resolution SEM images can help you improve your coffee production process.


Graphene: the thinnest and strongest material ever created!

The unique potential of graphene, offering the theoretical strength of diamond together with the flexibility of plastic, finds application in a wide range of industries: from electronics to drug delivery. Graphene quality varies considerably depending on how the material is produced, so characterizing raw material and finished products is of fundamental importance.


Zinc Oxide: an additive widely used in different industries

Zinc oxide (ZnO) is an inorganic white powder, insoluble in water and used as an additive in numerous materials and products. Characterization of Zinc oxide powder and particles properties is fundamental to improve final product quality.


Chocolate analytical testing

Chocolate is a complex suspension of non-fat particles (sugar, cocoa, milk powder particles) dispersed in cocoa butter. Particle size, rheology and thermal analysis help controlling texture, flavour and stability propeties of chocolate products. Discover how...


Flavour control in food industry

How particle size affects flavour of food products? let'shave a look with coffee and milk examples...


Dissolution rate in food industry

Today let's focus on dissolution, and on the reasons why this property of food materials is so important to characterize...


Hydroxyapatite (HAp) for a wide range of applications in the biomedical field

The synthetic and natural HA differ in terms of physical microstructure, crystal size, and porosity, but chemical similarities to bone, in both forms, as well as biocompatibility, bioactivity and thermal stability in the body fluid pose Hydroxyapatite (HAp)  as an attractive material for a wide range of applications in the biomedical field. Find out more!


Pharmaceutical Excipients

Physical properties of excipients influence the stability, bioavailability, and processability of the dosage forms. Alfatestlab is equipped with all the analytical techniques necessary to support you in choosing the right excipient for your formulation: particle size, particle shape, flowability, density, surface area and much more!


An introduction to Silicon dioxide (silica) forms and applications

Silica is one of the most complex and most abundant families of materials: sand, quartz, silica gels, precipitated silica, fumed silica, colloidal silica, mesoporous silica nanoparticles (MSNPs)... Any type of silica material finds specific applications and needs specific physical characterization!



Additive Manufacturing: metal powder check

There is a direct correlation between the physical properties of the powder on the one hand and the performance of the process and the properties of the final components on the other. Therefore, characterisation of the powders allows for process optimisation and improves the finished product.


API: solid state robust characterization in key to cut costs and time!

Characterization of the API solid state is key to reduce possible future manufacturing or formulation issues and cut drug product development costs and time.  Discover more!


Activated carbon: what is it and how to characterize its extraordinary properties?

Due to its high degree of microporosity, one gram of activated carbon can reach a surface area of 3,000 m2 as determined by gas adsorption. Discover more about its extraordinary properties!



Polymorphs discrimination using Morphologically-Directed Raman Spectroscopy

Several pharmaceutical ingredients (API) tend to crystallize in different crystalline packings (polymorphs). In a pharmaceutical formulation, the identity or the possible conversion of the API polymorph could alter the characteristics and the efficacy of the pharmaceutical form, leading to a different bioavailability. In this work we show how polymorphism can be successfully recognized and characterized by using MDRS (Morphologically-Directed Raman Spectroscopy), a powerful technique that combines automated particle imaging with Raman spectroscopy to provide particle size, shape and chemical identification in a single analysis.


2019 User training courses

Just ask for a quote or registration form to join our user training courses



2019 User training course Mastersizer 3000

Just ask for a quote or registration form to join "Mastersizer 3000 user training course - particle size analyzers"


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