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Micromeritics is an Industry Leader in Particle Science and Particle Technology
Particle size, surface area, pore size, material density, and active surface area are characteristics that are crucial to the understanding of a variety of materials. This knowledge is essential in the development of products, the efficient utilization of raw materials, and the understanding of many natural phenomena. Pharmacology, cosmetics, nanotechnology, paints, pigments, food science, ceramics, textiles, geological science, and polymer science are some of the areas of science and technology that rely on Micromeritics' instruments to determine the physical characteristics of powders and solid materials.
Micromeritics provides a complete line of scientific instruments and laboratory equipment targeted exclusively for areas of application and research involving particle science and particle technology, including the expanding area of nanoscience. Particle size analyzers employ laser diffraction, sedimentation, and electrozone sensing. Physical adsorption and mercury porosimetry instruments determine surface area and porosity. Material density can be determined by gas pycnometry and solids displacement. Chemical adsorption techniques are used to determine the active area of catalysts, metal dispersion, and surface energy. Temperature-programmed chemisorption (TPD, TPR, TPO) techniques are utilized in the chemisorption product line.
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The Maximum Pore Size Measureable with a Mercury Porosimeter
Confused about the upper pore size limit that can be measured reliably with a mercury intrusion porosimeter? You’re not alone. In one situation, the maximum size limit has one value and in another situation the size limit is much smaller or larger. Determining the actual pore size limit and the validity of the measurement at that size can be achieved with an understanding of the relationship between the mercury and sample during the measurement process. A short article has been posted that will clarify this and explain why such a wide range of "maximum measureable pore size" specifications are claimed by manufacturers of mercury porosimeters.
Click here to see this important article.
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FEATURED PRESS RELEASES:
| 11/17/2009 - High-Definition Digital Particle Size Analyzer The Saturn DigiSizer™ II Utilizing a state-of-the-art CCD detector containing over three million detector elements, Mie theory, and unique design and data reduction features, the Saturn DigiSizer II High-Definition Digital Particle Size Analyzer provides an extremely high level of resolution and sensitivity not available in other laser particle sizing systems. Both organic and inorganic particles can be analyzed and measured over a range of 40 nanometers to 2500 micrometers. Features such as fully automated sampling and low-volume sample handling systems make the Saturn DigiSizer ideal for a wide range of production, research, and quality control applications. |
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11/09/2009 - Technical Article by Micromeritics Scientists Highlighting New NLDFT Model Published in the Journal of Physical Chemistry - A scientific article titled, "A Simple Two-Dimensional NLDFT Model of Gas Adsorption in Finite Carbon Pores. Application to Pore Structure Analysis" (1), co-authored by Dr. Jacek Jagiello and Dr. James P. Olivier has recently been published in the Journal of Physical Chemistry C
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10/30/2009 - Surface Measurement Systems Limited and Particulate Systems, a division of Micromeritics Instrument Corporation, are pleased to announce a Global Strategic Collaboration starting October 2009.
10/23/2009 - Micromeritics Moves into its New Pan-European Headquarters
Dynamic Vapor Sorption - Advantage
Automated multi-vapor gravimetric sorption analyzer for advanced research applications
DVS Advantage combines the best in microbalance, gas flow and vapor measurement technologies to deliver unsurpassed performance in terms of experimental design as well as instrument accuracy and repeatability.
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