The Effect of Surface Properties on Granulation Performance
This educational webinar explores the use of surface energy measurements as related to granulation performance. In particular, this session focuses on the well-established vapor sorption technique of Inverse Gas Chromatography (IGC). This session discusses several case studies on how surface energy measurements can be used to help formulate and characterize both wet and dry systems. […]
Online Workshop: Vapour Sorption Techniques for Fuel Cell Research
The research on fuel cells as alternative power generators is growing significantly. The humidity of the feed stream is vital to the performance of proton exchange membrane fuel cells. Also, the surface energies of fuel cell components are related to electro-osmotic drag, back diffusion of water, and water retention. The surface energies of different fuel […]
Online Workshop: Innovative Sorption Technology Solutions for Porous Materials
This in-depth online workshop explores innovative sorption techniques, technology, and applications for the study of porous materials. Employing recent research and case studies, attendees gained a keen understanding of the groundbreaking DVS technique, and the unparalleled detail and accuracy it grants in the study of porous materials, VOCs and MOFs. Agenda: -Ionic liquids and ionogels […]
Online Workshop: Sorption Science Innovations in Cellulosic Material Characterization
Surface Measurement Systems and the University of British Columbia collaborated to provide three in-depth presentations exploring the latest research, case studies, and findings. This workshop offers unparalleled insight into the use of sorption science techniques in the field of cellulosic materials and characterization.
Moisture Sorption and Drying Kinetics by DVS Analysis
Almost all production stages involve moisture sorption and drying processes, which would affect the physical and chemical stability of the materials. For food materials, the moisture sorption properties are critical for shelf-life stability. This is especially true for materials like biscuits or crackers which are vulnerable to either temperature or humidity shocks. This study uses […]
Online Workshop: Characterizing Construction Materials using Vapor Sorption Techniques
This free online workshop explores how you can use Vapor Sorption Techniques to characterize construction materials. The in-depth workshop covers Dynamic Vapor Sorption (DVS) and Inverse Gas Chromatography (iGC) technology and their applications. Organized in partnership with the University of Luxembourg, this session is a vital resource for anyone working in the following fields of […]
BET Surface Area Measurements by Sorption Methods at Ambient Conditions
Traditional BET surface area measurements are typically performed by volumetric, gas sorption techniques. These methods require exposing the material of interest to very low pressures (10-3 Torr and below) and cryogenic temperatures (77K). These conditions can have deleterious affects on many classes of materials; including pharmaceuticals, foods, cellulose-based samples, and natural ingredients. In particular, low […]
Online Workshop: Application of sorption science in food research
Accurate and detailed insight into sorption properties and surface energy is essential to sector of consumer product research; but nowhere is this more important than in the food sector. This free-to-attend online workshop explores two innovative techniques, Dynamic Vapor Sorption (DVS) and Inverse Gas Chromatography (IGC), and how they can provide unparalleled insight in the […]
Experimental Methods for Measuring Vapor Pressures of Chemical Substances
Vapor pressure is defined as the pressure exerted by vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system. It is an important physicochemical property for many applications including human health, environmental protection, vapor phase deposition processes, lubricants operational life and separation processes. In addition, the […]
Surface energy analysis for measuring physicochemical properties of materials
This webinar covers an in-depth introduction to the Inverse Gas Chromatography – Surface Energy Analyser (iGC-SEA) technique and the concept of surface energy. It explores the versatility of the iGC-SEA technique and how it can be used in the study of pharmaceuticals, polymers, carbon materials and fibres. The case studies presented highlight the use of […]
Online Workshop: Characterization of polymeric materials by vapor sorption techniques
This workshop covers in-depth Dynamic Vapor Sorption (DVS) technology and its applications on studies of materials such as polymers, membranes, porous materials, thin films, and so on. Polymers are widely used in various fields such as Energy and Environmental, Automotive and Aerospace, Marine and Biomedical amongst many other areas and DVS technique can provide insights […]
Polymer characterization by Vapor Sorption Methods
This session will explore well-established vapor sorption techniques of Dynamic Vapor Sorption (DVS) and Inverse Gas Chromatography (IGC). With a focus on applications, the webinar delves into the physicochemical characterization capabilities offered by the DVS and IGC, specific to polymers and films. In particular to IGC, practical examples and case studies are given that cover […]
The Surface Properties and Water Adsorption Behaviour of Hair Fibers
Abstract: Water should be considered an integral part of hair’s complex structure due to its considerable influence on fiber properties. However, this water content is not constant and varies with the relative humidity of the environment – and accordingly so do certain hair properties. These changing properties are behind the ability to create temporary so-called […]
Online Workshop (BOKU): Vapor Sorption Techniques for Characterization of Wood and Biomaterials
Speakers:Prof. Rupert Wimmer (BOKU)Raphaela Hellmayr (BOKU)Meishan Guo (SMS)Dr. Sabiyah Ahmed (SMS) Agenda:– Introduction to Surface Measurement Systems (T. Schmid)– Structure-related Vapor Sorption in Phenomena in Wood (R. Wimmer & R. Hellmayr)– DVS Technique and Applications (M. Guo)– iGC-SEA Technique and Applications (S. Ahmed)– Live Q&A
Online Workshop (STFI): Understanding the surface properties of fibres and their use in composites by iGC
Agenda:-STFI Textile Essential-Introduction to iGC-Surface Energy and Heterogeneity -Sized and Unsized Fibres-Effect of relative humidity-Analysis of biomedical polymers-Analysis of Cellulose fibres of different types-Prediction of nanofiller-polyurethane composite interactions-Q&A Discussion
The effect of outgassing temperature on Hâ‚‚O & COâ‚‚ adsorption performance of MOFs & Zeolites
Abstract: Crystalline solids with controllable structures possess tailored porosity and large surface areas. This is particularly attractive for gas storage and separation applications. Physisorption of gases is a technique applied for the characterization of porous solids, such as zeolites and metal-organic frameworks (MOFs). Gravimetric vapor sorption and gas adsorption techniques measure promising functionalities such as […]
Inverse Gas Chromatography for Chicken Feather Mat Characterization – Guest Speaker
Oil pollution, from anthropogenic exploration activities, constitutes a serious risk to water resources globally. Different conventional sorbents have been used to remove oily contaminants from affected water bodies with varying degrees of success. In recent years, natural sorbents such as kapok fibres, rice husks, and chicken feathers have been explored as a substitute for conventional […]
Vapor Pressure Measurement of Solids, Oils, and Liquids
The vapor pressure of material is an important physical property that defines the amount of vapor molecules generated at its surfaces. Materials have tendency to enter the vapor phase by sublimation (solid-gas) or evaporation (liquid–gas). The vapor pressure of material at the thermodynamic equilibrium is only a function of temperature. The knowledge of vapor pressure […]
Aqueous and Gaseous Phase Characterization of Catalysts for the Carbon Dioxide Hydration Reaction
Wavy nickel nanowires (NiNWs) were immobilized on mesoporous silica (SiO2) aerogels by the sol−gel method. The catalytic activity of pure NiNWs and NiNW−SiO2 aerogel composites toward the CO2 hydration reaction (CHR) when they are in water was measured. Dynamic Vapor Sorption (DVS Vacuum) analysis was performed at levels of 50% CO2 and 50% H2O vapor […]
Dynamic Vapour Sorption and in situ Raman application for the study of Hydrate and Solvate formation
Moisture and organic solvent sorption have a large impact on the mechanical, physical, and chemical properties of many materials. This webinar will highlight a series of water and organic solvent sorption characterization methods for determining the hydrate and solvate formation of different materials. During this presentation, we are going to highlight a series of examples […]
Online Workshop: Characterizing Construction Materials by Vapor Sorption Techniques
Characterizing construction and building materials? Watch this free online workshop to discover how you can maximize the accuracy and detail of your research using Vapor Sorption Techniques. Organized in partnership with the University of Applied Sciences in Wismar, this session is a vital resource for any working in the following fields of research:-Wood-Cement-Building Materials
Experimental Methods for Determining Carbon Dioxide Capture in the Presence of Water Vapor
In the real world, capture/adsorption of CO2 is often a competition with other gas-phase species, most commonly water vapor. In some cases, the concentration of H2O vapor is much higher than that of CO2 further complicating the adsorption process. This presentation, delivered by one of the world’s leading authorities in sorption science, Dr. Daryl Williams, […]
Online Workshop: Advanced Vapor Sorption Techniques to Characterize Pharmaceutical and Porous materials
Organized in partnership with University of Namur.
Capture of Hydrogen Sulphide and Sulphur Dioxide in MOFs
Abstract: Hydrogen sulphide (H2S) is a harmful chemical present in natural gas, biogas and emitted by different chemical industries, e.g., oil desulfurization process at oil refineries. H2S is considered as a major air pollutant due to its negative environmental impact, mainly associated with acid rain, and to high toxicity to humans leading to severe nervous […]
Water Sorption and Gas Adsorption Measurements on MOFs
This session will cover Metal Organic Frameworks (MOFs) that can be used in a range of adsorption applications, such as gas storage, carbon capture, separations, catalytic transformation, and drug delivery. In addition, they can be also used for thermochemical energy storage applications, whereby heating and cooling technologies use thermo-adsorptive effects. The combination of hierarchical pore […]
Challenges on specific surface area analysis of cellulosic materials
The interaction of a solid with its surroundings is through the available surface area for adsorption of gas or vapour molecules. This also allows probing of materials surface including irregularities and pores. One of the most successful methods is based on the BET method for gas adsorption onto a solid surface. The adsorption method of […]
Understanding Isotherm Shape and Isotherm Modelling from DVS Experiments
Dynamic Vapor Sorption (DVS) instruments are commonly used to measure sorption isotherms on a diverse array of materials, including powders, fibers, films, particulates, and other solid surfaces. These isotherms can be obtained with various gases and vapors over a wide range of temperatures. Isotherm size, shape and hysteresis can elucidate mechanistic information about vapor/gas-solid interactions. […]
CO2 Sorption & Diffusion under Humid Conditions: Competitive Adsorption Under Real World Conditions
In the real world, capture/adsorption of CO2 is often a competition with other gas phase species, most commonly water vapour. In some cases, the concentration of H20 vapor is much higher than that of CO2 further complicating the adsorption process. This presentation compares the use of two of the most commonly used experimental approach for […]
The Importance of Moisture in Pharmaceuticals and Food Materials by Surface Energy
Sorption techniques have been used to study the state of water molecules and their role in physicochemical stability of pharmaceutical and food materials. The sorption data has been used to measure the surface area and activation energy of diffusion for as received and modified pharmaceutical ingredients. Change in the temperature significantly influences the amount of […]
Determination of Specific Surface Area and Surface Energy analysis using iGC
The webinar presented the theory and calculation process of the BET Specific Surface Area (SSA) and Surface Energy (SE) analysis using inverse Gas Chromatography (iGC) and the comparison with other techniques. Inverse Gas Chromatography can be used to measure both infinite and finite dilution experiments depending on the requirement of the application. BET SSA analysis […]