MaTestLab > ASTM Methods > ASTM D5511 Anaerobic Biodegradation of Plastic Materials Under High-Solids Anaerobic-Digestion Conditions

ASTM D5511 Anaerobic Biodegradation of Plastic Materials Under High-Solids Anaerobic-Digestion Conditions

ASTM D5511 test method is used for determination of the rate and degree of anaerobic biodegradability of plastic products when placed in a high-solids anaerobic digester to digest municipal solid waste. This test determines the percentage of carbon in a sample converted to gaseous carbon under high-solids anaerobic environments.

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Introduction to ASTM D5511

ASTM D5511 is a standard biodegradation test method carried out for determining anaerobic biodegradation of plastic materials under high-solids anaerobic-digestion conditions. This process is operated under optimum conditions that yields a percent conversion of carbon present in the sample to carbon in the gaseous form. Biodegradability testing helps in product development and provides information about material degradation in its surrounding environment.

The correct biodegradation method is chosen depending on the product’s physical and chemical characteristics, its intended use and disposal environment, and the requirements for regulatory or market acceptance. Plastic substances that are not toxic to the microorganisms found in anaerobic digesters processing household trash are subjected to this test.

ASTM D5511 Test Method

Test procedureTest specimen is exposed to a methanogenic inoculum derived from anaerobic digesters operating only on pretreated household waste. The anaerobic decomposition takes place under high-solids (more than 30 % total solids) and static non-mixed conditions.
Test EquipmentA pH meter, a precision balance (60.1 g), an analytical balance (60.1 mg), a thermometer, and a barometer are required for this test.

ASTM D5511 Specimens

Specimen detailsPlastic materials that are not inhibitory to the microorganisms present in anaerobic digesters operating on household waste are used as test samples.

ASTM D5511 Results

Degree and rate of anaerobic biodegradation of plastic materials in high-solids anaerobic conditions is determined by this test method. 

% Biodegradation: mean C8 (test) ̶̶ mean C8 (blank)/Ci × 100

Given:

C8 = gaseous carbon produced, g

Ci = carbon added in test compound, g

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The required number of samples or specimens should comply with the procedure given in the astm d5511 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

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The turnaround time for astm d5511 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 astm d5511 tested?

You can share your astm d5511 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 astm d5511 test to various testing techniques.

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