The greater an object’s surface area, the more capable it is of gas sorption. Surface area analyzers help researchers obtain the area or pore size of surfaces on samples as diverse as pharmaceuticals and activated carbon by measuring their gas sorption capabilities. Samples are placed in a sealed chamber and are cleaned through the application of heat, vacuum, and flowing inert gas. Once the surface is clean, adsorbate molecules are pumped into the chamber of the surface analyzer area and the degree to which the sample adsorbs the gas helps indicate the surface area. Pressures can reach 1000 torr, with temperatures exceeding 425 °C. Gases commonly used in surface area analyzers are argon, carbon dioxide, mixtures of helium and nitrogen, and krypton, among others. Good surface area analyzers incorporate the preparation stage into their capabilities, and temperature conductivity monitors to ensure even heating across the sample. The customer should seek surface area analyzers capable of testing for leaks, evacuating gas, and conducting analysis all at once.
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Malvern Panalytical
- Metal Organic Frameworks (MOFs) and Porous Organic Polymers / Zeolite design / Carbon Adsorbents and Catalyst performance
- Gas Adsorption Analyzer
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Malvern Panalytical
- Battery and Fuel Cell Separators and Membranes / Filtration / Non-Wovens
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Malvern Panalytical
- Additive Manufacturing, Carbon Black, Adsorbents, Catalysts, Nanotubes, Activated Carbons, Ceramics, Paints and Coatings, Batteries and Fuel Cells, Geoscience, Pharmaceuticals
- Surface area and porosity analyzer
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Microtrac Inc.
- Cosmetic creams, lotions, dairy products, beverages, flavor emulsions, pharmaceutical parenteral, topical forms, metalworking fluids, agrochemical, fertilizers, pesticides, petroleum emulsion, paints, inks, coatings, drug, vaccine suspension, make-up, sunscreen, chemical industry, polymer industry, ceramics, catalysts, battery slurries, electronic slurries, drug delivery system, lnp, liposomes, research on nanoparticles, nanoparticle suspension, polymer dispersion, biopolymer dispersion
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Microtrac Inc.
- Cosmetic creams, lotions, dairy products, beverages, flavor emulsions, pharmaceutical parenteral, topical forms, metalworking fluids, agrochemical, fertilizers, pesticides, petroleum emulsion, paints, inks, coatings, drug, vaccine suspension, make-up, sunscreen, chemical industry, polymer industry, ceramics, catalysts, battery slurries, electronic slurries, drug delivery system, lnp, liposomes, research on nanoparticles, nanoparticle suspension, polymer dispersion, biopolymer dispersion
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Microtrac Inc.
- Pharmaceuticals, inks, life sciences, ceramics, beverages, food, colloids, polymers, microemulsions, cosmetics, chemicals, environment, adhesives, metals, industrial minerals
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Microtrac Inc.
- Pharmaceuticals, inks, life sciences, ceramics, beverages, food, colloids, polymers, microemulsions, cosmetics, chemicals, environment, adhesives, metals, industrial minerals
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RBD Instruments
- Thin film composition, Passive oxide thicknesses in semiconductors and metals, Metal component thermal oxides, Integrated circuit contamination, Characterization of sputtered layers, Auger depth profiles of deposited layers, Quantization of light element surface films
- Single Pass CMA (Cylindrical Mirror Analyzer)
- 100:1 on clean silver with 300 nA beam current
HORIBA Scientific
- Comparison of Single-Point and Multi-Point Surface Area Measurements, Measuring Low Specific Surface Area Standards, Studying Metal Powder Properties
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HORIBA Scientific
- Ceramics, batteries, pharmaceuticals, chemicals, minerals, catalysts – any material which is in powder form may benefit from surface area analysis
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