Gas Adsorption Testing Services Vs. Mercury Porosimetry Testing: What are the Key Differences?

 

Gas adsorption testing services are standard to determine the precise pore size distribution and surface area of different powdered or solid materials. The principle is primarily based on the gas absorption traits on concrete surfaces.

On the flip side, in Mercury porosimetry testing, the pressure is applied to force mercury into tinier and tinier pores. Hence, the pore size distribution can be anticipated by measuring the applied pressure and the intrusion volume in the test using Mercury Porosimeter.

Let’s move forward to find out the difference between these two testing methods in detail without any further ado.

You might also like: Key Differences Between Aquapore and Gas Absorption Testing Services

Method of Mercury Porosimetry Testing

Mercury Porosimetry testing is generally used in the petrochemical and catalyst industries for regulating the pore volume and pore size of compound substrates, for instance, alumina zeolites and silica.

Mercury porosimetry testing is an effective technique used to calculate pore size distribution, porosity, and volume to regulate an inclusive range of powder and solid materials. 

The apparatus, known as a porosimeter, basically enforces a pressurized chamber to force mercury to intervene into the vacuums in a porous substrate. When pressure is put, mercury fills the bigger pores first. As pressure increases, the filling arises to tinier pores.

Both the inter-particle pores between the discrete particles and the intra-particle pores within the particle can be characterized using this testing method.

Features of Mercury Porosimetry Testing Device

  • Completely automatic
  • operator- friendly
  • Windows-based software handles all control, data collection, measurement, and report generation
  • manual control
  • Software upgrades for more than 3 years
  • Limitless user-defined data points based on volume, pressure, or a combination
  • Comes with a real-time graphical test display with up-to-date configuration
  • Computer equipped program depicts a testing status and results during operation
  • Demonstrates both intrusion and extrusion curve
  • A broad range of adequate sample sizes and types
  • Require minimal maintenance
  • Low level of mercury exposure
  • Sample transfers from low pressure to high-pressure stations not required
  • Non-destructive testing

Method of Gas Absorption Testing Services

Gas absorption is a unit operation primarily used in the chemical industry to differentiate gases by washing or scrubbing a gas mixture with liquid. As a rule, more than one essential gas mixture gets absorbed or dissolved in the liquid and can thus be eradicated.

In gas adsorption testing services, the dry sample is generally evicted of all gas and chilled to a liquid nitrogen temperature that is 77K. At this temperature, inert gases, such as argon, nitrogen, and krypton, will prominently adsorb on the surface of the sample material. As a fact, Nitrogen gas is ideal for the measurement of surface area and pore size dispersal.

Consequently, this adsorption technique evaluates an the adjustable layering of molecules or reversible compression on the sample surface during which heat is evolved.

Gas Absorption Testing Services Helping Industrialists

The gas absorption process developed in chemical engineering industries to determine gas–fluid interface in reactor systems is modified for natural porous geologic media.

The impacts of operational variables are then investigated, including liquid and gas volumetric flow and absorption temperature, rates, and solution concentration.

Furthermore, gas adsorption testing services are used for beverages in food industries. Manufacturers actually used this effective technique to dissolve carbon dioxide in cold drinks like soda. So, fizziness takes place as the pressure is liberated after opening the bottle of soda.

The Bottom Line,

Gas adsorption and Mercury porosimetry testing services are effective ways to estimate porosity, pore size distribution, and volume to represent an inclusive range of powder and solid materials. 

PMI APP basically meets all your testing requirements by offering the most favorable services and equipment through their award-winning & wide-ranging products. Under actual service conditions, their devices make industrial processes less time-consuming and more accurate.

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