Analytical Laboratory

Activated Carbon Analyses

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Activated carbon is a highly porous material with an exceptionally large surface area, used in a wide range of industrial and environmental applications for the adsorption and filtration of contaminants, odors, and organic compounds from water, air, gases, and process streams.

At Ecological Laboratories A.P. Ltd., we perform granular activated carbon (GAC) analyses both before and after use to assess quality, adsorption efficiency, and service life. All tests are conducted according to ASTM (American Society for Testing and Materials) standards, using advanced analytical instruments and quality procedures accredited by the Israel Laboratory Accreditation Authority (ISRAC).

Sampling and Analysis Process

  1. Sample Collection and Preparation:
    • Professional sampling of new or used activated carbon from filtration and treatment systems.
    • Accurate documentation of sampling conditions and application details.
    • Preparation of samples according to analytical standard requirements.
  2. Laboratory Analyses:
    • Comprehensive physical and chemical tests to evaluate carbon performance.
    • Precise instrumentation for density, iodine number, molasses number, and moisture content.
    • Continuous quality control to ensure accurate and repeatable results.
  3. Data Interpretation and Reporting:
    • Detailed presentation of analytical results.
    • Comparison to ASTM standard values.
    • Professional recommendations for replacement, regeneration, or optimization of carbon media.

Parameters and Tests

  • Bulk Density: Granular density of the activated carbon.
  • Iodine Number: Indicates adsorption capacity for small molecules.
  • Molasses Number (Methylene Blue Adsorption Value): Indicates ability to adsorb large molecules.
  • CCL₄ Activity (CTC): Adsorption activity for volatile organic compounds.
  • Moisture Content: Maximum allowable moisture percentage.
  • Ash (Residue on Ignition): Determines remaining inorganic content affecting efficiency.
  • pH Value: Indicates acidity or alkalinity of the activated carbon for specific applications.

Professional Consulting and Support for Activated Carbon Analysis

Ecological Laboratories A.P. Ltd. provides professional, reliable, and responsive consulting services for activated carbon applications, covering the full range of client needs—from routine testing at treatment facilities to quality testing of new raw materials.

Using advanced analytical methods and full compliance with international standards, we deliver accurate results that support informed decision-making in the planning, operation, maintenance, and replacement of filtration media.

We will be happy to provide additional information, a tailored quotation, or professional consultation for your activated carbon testing requirements.

Frequently Asked Questions

  • Which types of activated carbon can be tested?
    • The laboratory performs analyses for granular activated carbon (GAC), both before use and after use in various treatment processes.
  • Which standards are used for the testing?
    • Testing is conducted in accordance with recognized American standard methods (ASTM) and under strict quality assurance procedures.
  • Which parameters can be analyzed in activated carbon?
    • The analyses include, among others: Bulk Density, Iodine Number, Molasses Number, CTC Activity, Moisture Content, Ash Content, and pH.
  • How can the results of activated carbon analysis be used?
    • The results support assessment of carbon quality, comparison before and after use, and informed decision-making in industrial processes and environmental treatment applications.

Standards and Accreditations

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