Last updated 29th May 2025

ISO 11734 Biodegradability of Organic Compounds

ISO 11734 standardized solution for evaluating the biodegradability of organic substances in anaerobic conditions. The goal of this test is to measure the amount of carbon in the sample that is transformed into free gaseous form, mainly CO2 and some CH4.

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    Introduction to ISO 11734

    ISO 11734 is a standardized international test method for determining the anaerobic biodegradability of organic materials in an environment with no oxygen (methanogenic atmosphere). It mimics the anoxic digester environments (like those where anaerobic treatment processes and biogas plants operate). This approach may be applied to the determination of whether a particular substance could be metabolized to methane (CH₄), CO₂, and biomass without oxygen. Air Free Anaerobic Degradation is key to the behaviour assessment of compounds discharged into sludge treatment systems or landfills (biogas production)

     ISO 11734  Test Method

    Test procedure In this setup, the material is contained in a sealed container with washed-down, digested anaerobic sludge. The rise in headspace pressure of the test vessels as a result of degradation and subsequent production of carbon dioxide (CO2), methane (CH4) is measured during degradation. 

     ISO 11734  Results and Interpretation

    The rate of biogas production is determined. Microbiologically derived carbon yields are calculated from net gas production and the net inorganic carbon formation that exceeds that of the blank replicates. 

    Service NameRemarks
    ISO 11734 Testing
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    Use of  ISO 11734  in Various Industries

    Commonly used in Wastewater treatment plants, biogas and anaerobic digestion plants. 

    Materials Commonly Tested with  ISO 11734 

    Materials that are soluble, non-soluble, and non-inhibitory to microorganisms are used for this testing

    FAQ's

    Where can I get the iso 11734 tested?

    You can share your iso 11734 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific iso 11734 test to various testing techniques.

    How much do I need to pay for the iso 11734 test?

    Please contact us for a detailed quote for your iso 11734 testing needs. Cost incurred to carry out different iso 11734 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

    How many samples are required for iso 11734?

    The required number of samples or specimens should comply with the procedure given in the iso 11734 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

    How much discount can I get on the iso 11734 test?

    MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.

    How many days will it take to complete the iso 11734 test?

    The turnaround time for iso 11734 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

    Where can I get the iso 11734 tested?

    You can share your iso 11734 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific iso 11734 test to various testing techniques.

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