ISO 14851 The Ultimate Biodegradability of Plastics Through Oxygen Consumption

    Introduction to ISO 14851

    The standardized testing process, ISO 14851, is the microbial test to indicate the ultimate biodegradability of polymers in water as determined by aerobic biodegradability. ISO 14851 is believed to be the ISO standard for the assessment of the ultimate aerobic biodegradability of plastic materials in an aqueous environment. It measures the capability to degrade plastics specimens into CO₂, water, and biomass (i.e, the main way of measuring changes in oxygen consumption)

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     ISO 14851 Test Method

    Test procedure This test evaluates the biodegradability of a plastic substance by assessing the oxygen consumption throughout the biodegradation process. 
    Incubation conditionThis test occurs in a sealed bottle system with a headspace at temperatures ranging from 20ºC to 25ºC, which lasts for two to six months. 

    ISO 14851 Results and Interpretation

    After the testing period, the oxygen consumption is determined, typically by calculating the amount of oxygen needed to replace the consumed oxygen to maintain a consistent gas volume or pressure within the flask.

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    Use of ISO 14851 in Various Industries

    Commonly used in Bioplastics and biodegradable packaging development, Environmental impact assessment of disposable plastics, and Wastewater treatment. 

    Materials Commonly Tested with ISO 14851

    This test is applied to natural and/or synthetic polymers, copolymers, or their combinations, as well as plastic materials that include additives like plasticizers, colorants, and various other substances. It is also suitable for polymers that are soluble in water.

    FAQ

    Where can I get the iso 14851 tested?
    You can share your iso 14851 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 14851 test to various testing techniques.
    Please contact us for a detailed quote for your iso 14851 testing needs. Cost incurred to carry out different iso 14851 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.
    The required number of samples or specimens should comply with the procedure given in the iso 14851 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
    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.
    The turnaround time for iso 14851 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.
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