Unconventional Shale Gas Consortium

Automated Mercury Porosimeter

Micromeritics AutoPore IV Mercury Porosimeter
The term "porosimetry" is often used to include the measurements of pore size, volume, distribution, density, and other porosity-related characteristics of a material. Porosity is especially important in understanding the formation, structure, and potential use of many substances. The porosity of a material affects its physical properties and, subsequently, its behavior in its surrounding environment. The adsorption and permeability, strength, density, and other factors influenced by a substance’s porosity determine the manner and fashion in which it can be appropriately used.

The mercury porosimetry analysis technique is based on the intrusion of mercury into a porous structure under stringently controlled pressures. Besides offering speed, accuracy, and a wide measurement range, mercury porosimetry permits you to calculate numerous sample properties such as pore size distributions, total pore volume, total pore surface area, median pore diameter, and sample densities (bulk and skeletal).

The AutoPore IV Mercury Porosimeter can determine a broader pore size distribution (0.003 to 360 micrometers) more quickly and accurately than other methods. These instruments are enhanced with features that enable them to more accurately gather the data needed to characterize the porous structure of solid materials. They also offer new data reduction and reporting choices that provide more information about pore geometry and the fluid transport characteristics of the material.

Advantages:
  • Ability to measure pore diameters from 0.003 to 360 μm
  • Available with two low- and one high-pressure ports or four low- and two high-pressure ports for increased sample throughput
  • Available in 33,000 psi or 60,000 psi models
  • Quiet, high-pressure generating system
  • Enhanced data reduction package; includes tortuosity, permeability, compressibility, pore-throat ratio, fractal dimension, Mayer-Stowe particle size, and more
  • Equilibration by sample-controlled, rate of intrusion
  • Operates in scanning and time- or rate-equilibrated modes
  • Collects extremely high-resolution data; better than 0.1 μL for mercury intrusion and extrusion volume
  • Controlled evacuation prevents powder fluidization

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