Product Information

graviSorb - Surface Area Analyser

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The 3P graviSorb instruments are fully automated, gravime-tric, multi sample, high load capacity, high resolution, and dynamic water vapor sorption analysers.

It measures adsorption and desorption isotherms of water vapor both accurately and sensitively, including sorption kinetics, with minimal operator involvement. The weight of up to 12 samples is monitored and recorded as the relative humidity is automatically varied by blending dry carrier gas with a saturated gas stream. The carousel balance design of the 3P graviSorb allows increased analysis throughput by simultaneous investigation of up to 12 different samples, or 11 + 1 if one station is running an empty sample chamber or even a reference material for direct comparison. The 3P graviSorb is an ideal solution for the determination of water uptakes for research and quality assurance. The complete automatic measuring process together with the precise balance, broad climate range and user-friendly software make it the ideal instrument for high sample throughput with a minimum of costs and maintenance.

Measurement Capabilities
- Isotherms: Mass change as a function of changing relative humidity, increasing mass during adsorption (increasing % RH), decreasing, mass during subsequent desorption (decreasing % RH).
- Kinetics: time-dependent sorption studies give the rate of ad- and desorption.
- Effect of Temperature: isotherm and kinetics change as a function of temperature. Can be used to determine sorption enthalpies.

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About us

Meritics Ltd have over 30 years’ experience in the field of Particle Characterisation. As the sole UK distributor for many leading particle characterisation manufacturers, we provide solutions to a wide variety of sectors across the UK.

Based in Bedfordshire, our company is a privately-owned business with a dedicated team of specialists who understand the sectors we work with and deliver a service with acute attention to detail and exemplary customer service.
At Meritics, we believe our years of knowledge offer our clients the best particle characterisation solutions available and we are proud to serve both industry and academia.

We value our customers and their input, which is why our instruments offer complete accuracy, repeatability and reliability, creating an inventive solution that fits their specific industry requirements.

Our solutions can help business to fully optimise productivity and deliver outstanding results every time.

We have worked within a vast array of sectors over the years, including and not limited to pharmaceuticals, agriculture, food and beverages, marine science and aerospace.

Our in-house laboratory offers particle characterisation analysis to clients as a one-off or for more regular contract work. We have the ability to analyse particle size, concentration and shape, zeta potential, surface area, powder flow and porosity.

We also offer an instrument hire service to clients who are experiencing periods of extensive workload or for a specific project.

Get in touch with us today to see how we can help you.

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Articles/Press Releases

12/06/2024 - Working with injectables?
The Yokogawa Fluid Imaging Technologies FlowCam LO, distributed in the UK by Meritics Ltd, is a state-of-the-art tool revolutionising injectable drug delivery through advanced particle analysis and characterisation, aiding compliance with USP <788> standards for particulate matter in injections.
08/02/2024 - Meeting USP Standards for Subvisible Particulate Matter with FlowCam LO
Assessing subvisible particle content is a required quality control step for biotherapeutics and other parenteral drug products.
14/09/2023 - Essential analytical equipment for the pharmaceutical industry
Incorporating the latest technology and software advances, the Multisizer 4e with unique Digital Pulse Processing delivers dynamic size measurements in real time.
24/07/2023 - Introducing the Mercury Scientific SpreadStation Powder Analyser
The SpreadStation Powder Analyser measures the spreadability of powders by actually spreading powders in a layer and then analysing the properties of the layer.
29/06/2023 - UK Demo unit of the BioLector XT Microbioreactor installed at Meritics Ltd
We were delighted to welcome Sophia Lorke, Field Application Specialist from Beckman Coulter Life Sciences to Meritics for the installation and training on the BioLector XT Microbioreactor.
16/06/2023 - Porometer sets new standards in porometry with POROLUX™ Revo
Porometer, a leading provider of pore size measurement solutions, has announced the launch of its latest product, the POROLUX™ Revo.
15/11/2022 - Meritics announce their launch of the Horiba Viewsizer 3000 – Multi-laser Nanoparticle Tracking Analysis (NTA)
We are delighted to be working closer with Horiba and broadening our range of their instruments. You can come see us both at the ISO/TC 229 Nanotechnologies Meeting where we will be exhibiting the Viewsizer 3000.
24/10/2022 - ARC™: A new light in biological particle analysis
Microfluidic Resistive Pulse Sensing (MRPS) plus Fluorescence:
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The Pi Sentinel PRO Shape Module (Pi SM) adds comprehensive particle shape analysis capability to particle size and count analysis.
04/02/2022 - Introducing the next generation FlowCam Nano
FlowCam Nano is the next-generation dynamic image analysis instrument for submicron particle imaging and sizing in real-time.
02/02/2022 - Nanoparticle Size and Zeta Potential Analyzer
The BeNano Series is the latest generation of nanoparticle size and zeta potential analysers designed by Bettersize Instruments Ltd.
10/12/2021 - Meritics announce partnership with Bettersize Instruments
We are very pleased to announce our partnership with Bettersize instruments!
18/10/2021 - Using the Multisizer 4e for Outlier Detection
Outliers are a common problem in many industrial applications.
15/09/2021 - Bioanalytical Protein-Protein Detection with the P4SPR
Approximately one in five women diagnosed with breast cancer worldwide will have HER2-positive breast cancer, a particularly aggressive form of the disease.
06/08/2021 - Fast and accurate virus quantification including SARS-COV-2
Virus’ come in a large range of sizes and shapes, using this information you can quantify .
18/05/2021 - Beckman Coulter LS 13 320 XR – Laser Diffraction Particle Size Analyser
Details matter. Small changes in material can result in big differences in finished product.
15/04/2021 - Videodrop – Size and Concentration of Nanoparticles
Videodrop films in real time all the particle between 10 nm and 10µm in a drop.
11/02/2021 - Portable and Affordable P4SPR - Surface Plasmon Resonance (SPR)
Meritics Ltd are proud to be the UK distributors of the AffiniteP4SPR.
08/02/2021 - Meritics are proud to be the UK distributors for the Pi Sentinel Pro
13/11/2020 - Introducing the FlowCam + LO
Meritics are the UK ditributors of the new FlowCam + LO.
17/09/2020 - The GemBio Moxi-V. Available from Meritics in the UK
Gold Standard Cell Counts, Cell Size, and Viability.
15/01/2020 - Meritics are proud to be the UK distributors of Cordouan Technologies particle characterisation instruments.
08/10/2019 - Meritics – UK specialists in Nanoparticle size analysis
Spectradyne's nCS1TM uses microfluidic technology combined with nanotechnology to detect and measure every particle in your formulation.
09/09/2019 - Meritics Ltd - UK specialists in Image Analysis
08/08/2019 - Meritics are the proud UK distributors for the New Beckman Coulter LS13320XR
13/05/2019 - Introducing the Spectradyne nCS1 available now in the UK
Spectradyne’s nCS1™ instrument characterises nanoparticles using Microfluidic Resistive Pulse Sensing (MRPS, a.k.a. the Coulter Principle), a proven technique that is considered the gold standard for whole blood measurements.

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Latest Reviews

Meritics Ltd

We were very satisfied with the Multisizer installation work you did for us last week. The installation was completed over a 2 day span, and somehow she managed to do all of it while giving us a little training at the same time.You blew my mind a bit with all your knowledge and helpful tips. We rarely get a someone in like that, you have probably saved us months of work trying to figure things out for ourselves. Absolute joy, credit to your company.

By James McAvoy - 12 July 2023

Meritics Ltd

We have worked with Meritics for a large number of years and always received a fantastic service. On our latest interaction they went out of their way to assist us at VERY short notice, even travelling the full length of the country the following day to enable us to continue our business critical activities.A credit to the service industry.

By A1d4n C . - 23 January 2023

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Meritics Ltd