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Zeta Potential Analysis in Product Manufacturing

12/11/2018

Colloidal systems are used ubiquitously in modern product manufacturing for both commercial and industrial sectors. These vary in complexity depending upon the end-product application and chemical composition of the solution. Simple colloids may comprise a single dispersive in a continuous phase dispersant media. More complicated formulations may display unstable interfaces between dispersive and continuous phases, […]

Pore Size Measurements for Powder Metallurgy Raw Materials

01/11/2018

Pore size measurements must be conducted on the raw materials for powder metallurgy processes, to ensure that end-products yield desirable mechanical properties. The strength, weight, hardness, and permeability of metal alloys produced from powder minerals depends upon the porosity of the raw constituents. Powder Metallurgy and the Importance of Pore Size Measurements Powder metallurgy refers […]

Laboratory Services: Surface Area Analysis with Meritics

26/10/2018

Surface area analysis is one of the leading particle measurement techniques for characterising the behaviour of solid samples. The surface area of a solid particle represents its primary interface with other media, including gaseous and liquid molecules. It is, therefore, a crucial parameter in the determination of a particle’s adsorption and dissolution characteristics. Typically, surface […]

BET Surface Area Analysis for Catalyst Analysis

19/10/2018

Catalysis refers to the acceleration of a distinct chemical reaction using a catalytic agent. It has been an integral process in a range of industrial sectors for decades and is attracting interest from fields looking to reduce emissions and tackle issues pertaining to sustainability. The primary consumers of catalytic materials worldwide are chemical manufacturers, petrochemical […]

Sample Analysis: Particle Size Measurements with Meritics

09/10/2018

Sample analysis can be a complex process that typically requires significant up-front investment and ongoing maintenance or calibration. It is an essential process for laboratories and commercial facilities that need products to be evaluated and characterised with regards to their particle characteristics, their fluidic properties, or their long-term stability in response to thermodynamic influences. This […]

Modular Laser Diffraction Analysis with the LS 13 320 XR

08/10/2018

The LS 13 320 XR is the most advanced laser diffraction particle analyser on the market, operating with full implementation of the Fraunhofer and Mie theories of light scattering. This provides reliable quantification and characterisation of particles on the sub-micron scale, with a potential dynamic sizing range of 0.01 – 2,000 micrometres (µm). Alternative technologies […]

The effect of bean origin and temperature on grinding roasted coffee

01/10/2018

Abstract Coffee is prepared by the extraction of a complex array of organic molecules from the roasted bean, which has been ground into fine particulates. The extraction depends on temperature, water chemistry and also the accessible surface area of the coffee. Here we investigate whether variations in the production processes of single origin coffee beans […]

4 Applications of Enhanced Laser Diffraction Analysis

27/09/2018

Particles diffract light through a specific angle depending upon their size, creating a diffraction pattern of light and dark circles. Measuring the intensity of light over a wide range of angles enables analysts to determine a particle size distribution. Laser diffraction analysis operates on this general principle. Gustav Mie’s theory of diffraction is used in […]

Particle Analysis Instruments in Water Treatment

21/09/2018

The purification of drinking water is a multi-step process that typically requires cleaning with a biochemical or catalytic agent and filtration through a solid phase media. This process is doubly complicated by the varying requirements of different water sources. Groundwater may contain significant volumes of suspended particulates such as salt or geological sediment, while water […]