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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 […]

Dynamic Light Scattering for Exosome Characterisation

18/09/2018

Extracellular vesicles are an overarching species of biological structures that are associated with intercellular communication. These organisms exist on the micron (μm) and submicron (nm) scale and are released by healthy cells into the extracellular environment to facilitate one of many microbiological processes, including coagulation, phagocytosis, and apoptosis. Scientists have been aware of extracellular vesicles […]

Particle Analysers for Pigment Sizing

30/08/2018

An industrial pigment is an organic or synthetic mineral used to tint a material and alter its spectral absorption characteristics. Essentially, they change the colour of a product via selective wavelength absorption or transmittance. These desirable chromatic properties are ideal for use in manufacturing, visual arts, and engineering commercial products such as inks, paints, cosmetics, […]

Particle Size Analysis for Optimizing Soil Liming

23/08/2018

Humanity has been utilizing lime as an agrochemical for millennia. As early as 2800 BC, Celtic Britons were known to pulverize bulk chalk or limestone into a granulated powder and spread it across the topsoil of crop fields. This rudimentary fertilizer reacted with acidic soils, neutralizing their pH levels through the release of hydroxide ions, […]