Currently set filters:

  • Type of Testing: Immunologic, molecular biologic and microbiologic
Name Planned shipping method Start Date  
Pseudomonas aeruginosa recooling water
Parameters (quantitative): Ps.aeruginosa [cfu/100ml]
Article Number: 2010960
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Frozen shipping July 2025 Add to cart
Pseudomonas aeruginosa recooling water
Article Number: 2010960
July 2026 Add to cart
Total count recooling water
Parameters (quantitative): aerobic total count 36°C [cfu/ml], aerobic total count 22°C [cfu/ml]
Article Number: 2010962
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Frozen shipping July 2025 Add to cart
Total count recooling water
Article Number: 2010962
July 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 August 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.