SURFACE MEASUREMENT SYSTEMS DVS DYNAMIC VAPOUR SORPTION
DVS - Dynamic Vapour Sorption
Brand: SURFACE MEASUREMENT SYSTEMS Product: DVS DYNAMIC VAPOUR SORPTION
The vapour sorption properties of solid materials are recognized as critical factors in determining their storage, stability, processing and application performance. These properties are routinely determined for many natural and man-made materials and have traditionally been evaluated by storing samples in sealed jars containing saturated salt solutions of established relative humidity and then regularly weighing these samples until equilibrium is reached. However, there are a number of disadvantages associated with these manual jar methods.
So Surface Mesurement Systems provides a wide range of solutions for Vapour characterization studies. Dynamic Vapor Sorption is a well established technique useful either for R&D either for Quality Control and shelf life prediction of the products.
The main products we highlight are:
DVS Adventure is a new product designed and engineered by Surface Measurement Systems. It is a water vapor sorption analyzer that measures adsorption and desorption isotherms over a broad range of humidities and temperatures. DVS Adventure offers unprecedented temperature stability and humidity performance.
DVS Resolution Dual Vapor Gravimetric Sorption Analyzer A key feature of DVS Resolution is the combined ability to precisely control and measure temperature and relative humidity while recording the highest resolution changes in mass. DVS Resolution uses a dry carrier gas typically nitrogen or compressed air for its operation. Digital mass flow controllers regulate flows of dry and saturated gases. Relative humidity is generated by precisely mixing dry and saturated gas flows in desired flow ratios which produce expected relative humidity.
DVS Endeavour 5X Parallel Gravimetric Sorption Analyzer A key feature of DVS Endeavour is the ability to precisely control and measure temperature and relative humidity while simultaneously recording the highest resolution changes in mass on up to 5 samples.
The DVS Intrinsic is the latest dynamic gravimetric water sorption analyser from Surface Measurement Systems. The Intrinsic was specifically designed to meet the needs of the small to mid-sized laboratories and plants. It combines ease of use with a low capital investment and maintenance burden.
SOME APPLICATION EXAMPLES:
- Moisture uptake behavior of food and natural materials (powders, fibers and solids) - Stability and caking of food ingredients and products shelf-life. - Moisture diffusion into blister packaging systems. - Moisture sorption of hydrophobic pharmaceutical materials. - Surface energies and surface areas of powders using organic vapor probes. - Determination of deliquescence points. - Moisture-induced glass transition in an amorphous material. - Determination of amorphous contents. - Pharmaceutical stability, drying and thermal degradation. - Adsorption of porous materials. - Kinetics of sorption and desorption
- Pharmaceuticals: powders, tablets, API's and excipient materials - Food: powders, processed food, biscuits - Natural materials: grains/seed, wood - Building materials: aggregates, cement, ceramics - Personal care products: cosmetics, hair care, contact lenses - Packaging materials: paper, plastics