Name Planned shipping method Start Date  
CO2 evolution test (ISO 9439, OECD 301B)
Parameters (quantitative): CO2 [mg]
Article Number: 2011136
Description: The samples should be tested for biodegradability under aerobic conditions at 25°C over a period of 28 days.
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping September 2025 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Article Number: 2011136
September 2026 Add to cart
Plastic materials - aerobic biodegradability (ISO 14855-2, ASTM D5338-15)
Parameters (quantitative): Biodegradation via CO2 [%]
Article Number: 2011138
Description: The samples are to be tested for biodegradability at 58°C under aerobic conditions over a period of 45 days.
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping October 2025 Add to cart
Plastic materials - aerobic biodegradability (ISO 14855-2, ASTM D5338-15)
Article Number: 2011138
October 2026 Add to cart
Plastic materials - anaerobic biodegradability (ASTM D5511)
Parameters (quantitative): Biodegradation via CO2 and CH4 development [%]
Article Number: 2011139
Description: The samples should be tested for biodegradability under anaerobic conditions at 37°C (mesophilic conditions) over a period of 30 days. Note: Please contact us if you would like to test the samples at 52°C (thermophilic conditions).
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping October 2025 Add to cart
Plastic materials - anaerobic biodegradability (ASTM D5511)
Article Number: 2011139
October 2026 Add to cart
Zahn-Wellens, EMPA test (ISO 9888, OECD 302B)
Parameters (quantitative): Final degree of degradation [%], Biodegradation t = 3 h [%], Biodegradation t = 1 d [%], Biodegradation t = 3 d [%], Biodegradation t = 7 d [%], Biodegradation t = 10 d [%], Biodegradation t = 14 d [%], Biodegradation t = 17 d [%], Biodegradation t = 23 d [%], Biodegradation t = 28 d [%]
Article Number: 2011137
Description: The samples should be tested for biodegradability at 20-25°C over a period of 28 days. The DOC value of the samples must be determined in a preliminary test.
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Refrigerated shipping September 2025 Add to cart
Zahn-Wellens, EMPA test (ISO 9888, OECD 302B)
Article Number: 2011137
September 2026 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.