2460 & 2425 Surface Area and Porosimetry System

Micromeritics ASAP 2460 and ASAP 2425 provide high-quality surface area, porosity, and chemisorption isotherm data for materials analysis.

Manufacturer	Micromeritics
Product Series	Micromeritics ASAP
Measurement principle	Chemisorption, Physisorption
Application	Surface Area & Porosity
Analysis System Capacity	2, 4, or 6 sample ports (for krypton analysis, one sample port is used for dosing), each with a constantly monitored saturation pressure port
Temperature	10 to 30 °C, operating -10 to 55 °C, storage or shipping
Sample Port Transducers and Po Port Transducers	Range: 0 to 950 mmHg Resolution: 0.001 mmHg Accuracy: ±0.1% Full Scale

The Micromeritics ASAP 2460 & ASAP 2425 integrate a variety of automated gas sorption techniques into a single, table top instrument to provide high-quality surface area, porosity, and chemisorption isotherm data for materials analysis. The ASAP series is used to characterise porous materials by measuring how gases adsorb (or desorb) on their surfaces. Typical outputs include: BET (Brunauer-Emmett-Teller) surface area, Pore size distribution (micro, meso, macro pores), Pore volume and Isotherms (adsorption / desorption curves). These are widely used in materials science, catalysis, adsorbents, zeolites, MOFs, battery materials, etc.

ASAP 2425 is a high-throughput, fixed 6-port surface area and porosimetry analyser with built-in degas capability and full automation. It is ideal for labs with consistently high sample loads and where all ports will often be used.

ASAP 2460 Surface Area and Porosimetry Analyser offers a unique expandable system designed for high performance and high sample throughput. It provides the same core measurement capabilities as the ASAP 2425 in a modular, expandable architecture (2 → 4 → 6 ports). The base ASAP 2460 is a two-port master control unit. For more throughput, additional two-port auxiliary units can be connected to the master unit expanding the system to either a four-port or six-port analyser. It offers enhancements such as faster BET runs (down to ~30 min for 6 ports), long unattended isotherm runs (up to 60 h without refilling Dewar), enhanced software features (Python scripting, advanced dosing control, performance dashboard), and flexibility in scaling to the lab’s workload.

ASAP 2460 Advantages

Fully automated modular system optimised for walk-up sample screening
High throughput with two, four, or six independent analysis stations
BET surface area measurements in as little as 30minutes
Dosing options of maximum volume increment or dosing over specified pressure ranges
Analysis temperature can be entered or calculated
Equilibration option allows user to specify equilibration times for different parts of the isotherm
Low surface area and micropore options
Also supports micropore and krypton options; good for low-surface-area materials
Innovative MicroActive software with advanced NLDFT modeling
State-of-the-art engineering ensures excellent accuracy, repeatability, and reproducibility from all ports, from the master control unit through one or
two auxiliary analysis units

ASAP 2425 Advantages

Fully automated analysis with up to 6 independent analysis ports (each can run independently)
Each analysis port has a dedicated analysis and Po pressure transducer
Twelve independently controlled degas ports
Evacuation rate precisely regulated by a servo valve
BET surface area measurements in as little as 1 hour
Dosing options of maximum volume increment or dosing over specified pressure ranges
Entered or calculated analysis temperature
Equilibration option allows user to specify equilibration times for different parts of the isotherm
Low surface area option with five independent analysis ports

Pharmaceuticals: Surface area and porosity play major roles in the purification, processing, blending, tableting, and packaging of pharmaceutical products as well as their useful shelf life, dissolution rate, and bio-availability.

Ceramics: Surface area and porosity affect the curing and bonding of greenware and influence strength, texture, appearance, and density of finished goods. The surface area of glazes and glass frits affects shrinkage, crazing, and crawling.

Adsorbents: Knowledge of surface area, total pore volume, and pore size distribution is important for quality control of industrial adsorbents and in the development of separation processes. Surface area and porosity characteristics affect the selectivity of an adsorbent.

Activated Carbons: Surface area and porosity must be optimized within narrow ranges to accomplish gasoline vapor recovery in automobiles, solvent recovery in painting operations, or pollution controls in wastewater management.

Carbon Black: The wear lifetime, traction, and performance of tires are related to the surface area of carbon blacks used in their production.

Fuel Cells: Fuel cell electrodes require high surface area with controlled porosity to produce optimum power density.

Catalysts: The active surface area and pore structure of catalysts influence production rates. Limiting the pore size allows only molecules of desired sizes to enter and exit, creating a selective catalyst that will produce primarily the desired product.

Paints and Coatings: The surface area of a pigment or filler influences the gloss, texture, color, color saturation, brightness,solids content, and film adhesion properties. The porosity of a print media coating is important in offset printing where it affects blistering, ink receptivity, and ink holdout.

Projectile Propellant: The burn rate of propellants is a function of surface area too high a rate can be dangerous; too low a rate can cause malfunction and inaccuracy.

Medical Implants: Controlling the porosity of artificial bone allows it to imitate real bone that the body will accept and allow tissue to be grown around it.

Electronics: By selecting high surface area material with carefully designed pore networks, manufacturers of super-capacitors can minimize the use of costly raw materials while providing more exposed surface area for storage of charge.

Cosmetics: Surface area is often used by cosmetic manufacturers as a predictor of particle size when agglomeration tendencies of the fine powders make analysis with a particle-sizing instrument difficult.

Aerospace: Surface area and porosity of heat shields and insulating materials affect weight and function.

Geoscience: Porosity is important in groundwater hydrology and petroleum exploration because it relates to the quantity of fluid that a structure can contain as well as how much effort will be required to extract it.

Nanotubes: Nanotube surface area and microporosity are used to predict the capacity of a material to store hydrogen.

More Applications:

Adhesives
Alloys
Abrasives
Carbonates
Cements
Clays
Detergents
Fibers
Films
Fertilizers
Filters
Glass
Food Additives
Graphite
Minerals
Paper
Polishing Compounds
Polymers
Resins
Soils and Sediments

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